{"title":"G20 G22 3\/4 series - Exhaust","description":"\u003cp\u003eAftermarket Performance exhausts for the \u003cspan\u003eBMW 3 and 4 series.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIncludes Catless Downpipes, Race Downpipes, Catted Downpipes, GESI Catted Downpipes, Cat back, Axle Back Exhausts, Full Exhausts, and Mid Pipes.\u003c\/p\u003e\n\u003cstyle\u003e\n  .engine-chart {\n    font-size: 11px;\n    line-height: 1.1;\n    border-collapse: collapse;\n    width: 100%;\n    max-width: 1100px;\n  }\n  .engine-chart th, .engine-chart td {\n    padding: 3px 6px;\n    border: 1px solid #ccc;\n  }\n  .engine-chart th {\n    background: #000;\n    color: #fff;\n    font-weight: bold;\n  }\n\u003c\/style\u003e\n\u003ctable class=\"engine-chart\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears (US)\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eDrivetrain\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c!-- 330i --\u003e\n\u003ctr\u003e\n\u003ctd\u003e330i\u003c\/td\u003e\n\u003ctd\u003e2020–Present\u003c\/td\u003e\n\u003ctd\u003eB46B20O1 (2.0L Turbo I4)\u003c\/td\u003e\n\u003ctd\u003eG20 \/ G22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e330i xDrive\u003c\/td\u003e\n\u003ctd\u003e2020–Present\u003c\/td\u003e\n\u003ctd\u003eB46B20O1 (2.0L Turbo I4)\u003c\/td\u003e\n\u003ctd\u003eG20 \/ G22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- 430i --\u003e\n\u003ctr\u003e\n\u003ctd\u003e430i\u003c\/td\u003e\n\u003ctd\u003e2021–Present\u003c\/td\u003e\n\u003ctd\u003eB46B20O1 (2.0L Turbo I4)\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e430i xDrive\u003c\/td\u003e\n\u003ctd\u003e2021–Present\u003c\/td\u003e\n\u003ctd\u003eB46B20O1 (2.0L Turbo I4)\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- 330e Plug-in Hybrid --\u003e\n\u003ctr\u003e\n\u003ctd\u003e330e\u003c\/td\u003e\n\u003ctd\u003e2021–Present\u003c\/td\u003e\n\u003ctd\u003eB46B20O1 + eMotor (PHEV)\u003c\/td\u003e\n\u003ctd\u003eG20\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e330e xDrive\u003c\/td\u003e\n\u003ctd\u003e2021–Present\u003c\/td\u003e\n\u003ctd\u003eB46B20O1 + eMotor (PHEV)\u003c\/td\u003e\n\u003ctd\u003eG20\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- M340i --\u003e\n\u003ctr\u003e\n\u003ctd\u003eM340i\u003c\/td\u003e\n\u003ctd\u003e2020–Present\u003c\/td\u003e\n\u003ctd\u003eB58B30O1 (3.0L Turbo I6)\u003c\/td\u003e\n\u003ctd\u003eG20 \/ G21\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM340i xDrive\u003c\/td\u003e\n\u003ctd\u003e2020–Present\u003c\/td\u003e\n\u003ctd\u003eB58B30O1 (3.0L Turbo I6)\u003c\/td\u003e\n\u003ctd\u003eG20 \/ G21\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- M440i --\u003e\n\u003ctr\u003e\n\u003ctd\u003eM440i\u003c\/td\u003e\n\u003ctd\u003e2021–Present\u003c\/td\u003e\n\u003ctd\u003eB58B30O1 (3.0L Turbo I6)\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM440i xDrive\u003c\/td\u003e\n\u003ctd\u003e2021–Present\u003c\/td\u003e\n\u003ctd\u003eB58B30O1 (3.0L Turbo I6)\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","products":[{"product_id":"bmw-4-turbo-to-down-pipe-gasket-for-bmw-b38-b46-b48-n20-n26-n55","title":"Genuine BMW 4″ Turbo to Downpipe Gasket 18307581970 for BMW B38\/B46\/B48\/N20\/N26\/N55","description":"\u003cp\u003eOEM replacement turbo to downpipe clamp for your B38, B46, B48, N20, N26 and N55 turbo BMW. These are sold individually and you can reference the chart below to determine fitment for your vehicle. Please note that only one gasket is required. This gasket is often referred to as a clamp for a 4.0″ downpipe.\u003cbr\u003e\u003cbr\u003ePart Number: 18307581970\u003cbr\u003e\u003cbr\u003e1' F20   (07\/2010 — 02\/2015)\u003cbr\u003e1' F20 LCI   (05\/2014 — 06\/2019)\u003cbr\u003e1' F21   (07\/2010 — 02\/2015)\u003cbr\u003e1' F21 LCI   (05\/2014 — 06\/2019)\u003cbr\u003e1' F40   (05\/2018 — 06\/2024)\u003cbr\u003e1' F70   (03\/2023 — 03\/2025)\u003cbr\u003e2' F22   (10\/2012 — 06\/2017)\u003cbr\u003e2' F22 LCI   (09\/2016 — 06\/2021)\u003cbr\u003e2' F87 M2   (11\/2014 — 06\/2017)\u003cbr\u003e2' F87 M2 LCI   (09\/2016 — 06\/2018)\u003cbr\u003e2' G42   (06\/2020 — 03\/2025)\u003cbr\u003e2' F23   (03\/2014 — 06\/2017)\u003cbr\u003e2' F23 LCI   (09\/2016 — 07\/2021)\u003cbr\u003e2' F44 Gran Coupé   (10\/2018 — 10\/2024)\u003cbr\u003e2' F74 Gran Coupé   (05\/2023 — 03\/2025)\u003cbr\u003e2' F78 Gran Coupé   (08\/2023 — 03\/2025)\u003cbr\u003e2' F45 Active Tourer   (11\/2013 — 02\/2018)\u003cbr\u003e2' F45 Active Tourer LCI   (05\/2017 — 10\/2021)\u003cbr\u003e2' U06 Active Tourer   (11\/2020 — 03\/2025)\u003cbr\u003e2' F46 Gran Tourer   (07\/2014 — 03\/2018)\u003cbr\u003e2' F46 Gran Tourer LCI   (05\/2017 — 12\/2022)\u003cbr\u003e3' F30   (02\/2011 — 07\/2015)\u003cbr\u003e3' F30 LCI   (09\/2014 — 10\/2018)\u003cbr\u003e3' G20 Sedan   (10\/2017 — 06\/2022)\u003cbr\u003e3' G20 Sedan LCI   (07\/2021 — 03\/2025)\u003cbr\u003e3' G28 Sedan   (01\/2018 — 09\/2022)\u003cbr\u003e3' G28 Sedan LCI   (07\/2021 — 03\/2025)\u003cbr\u003e3' F31   (07\/2011 — 06\/2015)\u003cbr\u003e3' F31 LCI   (09\/2014 — 06\/2019)\u003cbr\u003e3' G21 Touring   (06\/2018 — 06\/2022)\u003cbr\u003e3' G21 Touring LCI   (07\/2021 — 03\/2025)\u003cbr\u003e3' F34 GT   (07\/2012 — 06\/2016)\u003cbr\u003e3' F34 GT LCI   (09\/2015 — 05\/2021)\u003cbr\u003e4' F32   (11\/2012 — 02\/2017)\u003cbr\u003e4' F32 LCI   (05\/2016 — 06\/2020)\u003cbr\u003e4' G22 Coupé   (06\/2019 — 02\/2024)\u003cbr\u003e4' G22 Coupé LCI   (02\/2023 — 03\/2025)\u003cbr\u003e4' F33   (03\/2013 — 02\/2017)\u003cbr\u003e4' F33 LCI   (05\/2016 — 07\/2020)\u003cbr\u003e4' G23 Convertible   (10\/2019 — 02\/2024)\u003cbr\u003e4' G23 Convertible LCI   (02\/2023 — 03\/2025)\u003cbr\u003e4' F36 Gran Coupé   (07\/2013 — 03\/2017)\u003cbr\u003e4' F36 Gran Coupé LCI   (05\/2016 — 05\/2021)\u003cbr\u003e4' G26 Gran Coupé   (09\/2020 — 07\/2024)\u003cbr\u003e4' G26 Gran Coupé LCI   (06\/2023 — 03\/2025)\u003cbr\u003e5' F07 GT LCI   (08\/2012 — 02\/2017)\u003cbr\u003e5' F10   (06\/2010 — 06\/2013)\u003cbr\u003e5' F11   (06\/2010 — 06\/2013)\u003cbr\u003e5' F11 LCI   (10\/2012 — 02\/2017)\u003cbr\u003e5' F10 LCI   (08\/2012 — 10\/2016)\u003cbr\u003e5' G30   (10\/2015 — 06\/2020)\u003cbr\u003e5' G30 LCI   (06\/2019 — 06\/2023)\u003cbr\u003e5' G31 Touring   (03\/2016 — 06\/2020)\u003cbr\u003e5' G31 Touring LCI   (05\/2019 — 02\/2024)\u003cbr\u003e5' G60 Sedan   (06\/2022 — 03\/2025)\u003cbr\u003e5' G68 Sedan   (09\/2022 — 03\/2025)\u003cbr\u003e5' G61 Touring   (05\/2023 — 03\/2025)\u003cbr\u003e6' F06 Gran Coupé   (05\/2011 — 02\/2015)\u003cbr\u003e6' F06 Gran Coupé LCI   (06\/2014 — 09\/2018)\u003cbr\u003e6' F12   (10\/2009 — 02\/2015)\u003cbr\u003e6' F12 LCI   (07\/2014 — 05\/2018)\u003cbr\u003e6' F13   (04\/2010 — 02\/2015)\u003cbr\u003e6' F13 LCI   (05\/2014 — 10\/2017)\u003cbr\u003e6' G32 GT   (10\/2016 — 07\/2020)\u003cbr\u003e6' G32 GT LCI   (07\/2019 — 06\/2024)\u003cbr\u003e7' F01   (09\/2007 — 06\/2012)\u003cbr\u003e7' F01 LCI   (05\/2011 — 05\/2015)\u003cbr\u003e7' F02   (09\/2007 — 06\/2012)\u003cbr\u003e7' F02 LCI   (06\/2011 — 05\/2015)\u003cbr\u003e7' G11   (12\/2014 — 02\/2019)\u003cbr\u003e7' G11 LCI   (01\/2018 — 06\/2022)\u003cbr\u003e7' G12   (12\/2014 — 02\/2019)\u003cbr\u003e7' G12 LCI   (01\/2018 — 06\/2022)\u003cbr\u003ei8 I12   (02\/2013 — 02\/2018)\u003cbr\u003ei8 I12 LCI   (11\/2016 — 06\/2020)\u003cbr\u003ei8 I15   (01\/2017 — 06\/2020)\u003cbr\u003eX1 E84   (04\/2009 — 06\/2015)\u003cbr\u003eX1 F48   (11\/2014 — 06\/2019)\u003cbr\u003eX1 F48 LCI   (05\/2018 — 06\/2022)\u003cbr\u003eX1 U11   (06\/2021 — 03\/2025)\u003cbr\u003eX1L U12   (11\/2021 — 03\/2025)\u003cbr\u003eX2 F39   (10\/2016 — 10\/2023)\u003cbr\u003eX2 U10   (09\/2022 — 03\/2025)\u003cbr\u003eX3 F25   (07\/2009 — 08\/2017)\u003cbr\u003eX3 G01   (10\/2016 — 08\/2021)\u003cbr\u003eX3 G01 LCI   (08\/2020 — 08\/2024)\u003cbr\u003eX3 G08 LCI   (08\/2020 — 12\/2024)\u003cbr\u003eX3 G45   (06\/2023 — 03\/2025)\u003cbr\u003eX3L G48   (09\/2023 — 03\/2025)\u003cbr\u003eX4 F26   (05\/2013 — 03\/2018)\u003cbr\u003eX4 G02   (03\/2017 — 07\/2021)\u003cbr\u003eX4 G02 LCI   (08\/2020 — 03\/2025)\u003cbr\u003eX5 E70 LCI   (08\/2011 — 06\/2013)\u003cbr\u003eX5 F15   (08\/2012 — 06\/2018)\u003cbr\u003eX5 G05   (05\/2018 — 12\/2021)\u003cbr\u003eX5L G18   (04\/2021 — 08\/2023)\u003cbr\u003eX5L G18 LCI   (06\/2022 — 03\/2025)\u003cbr\u003eX6 E71   (08\/2011 — 06\/2014)\u003cbr\u003eX6 F16   (09\/2013 — 05\/2019)\u003cbr\u003eX6 G06   (09\/2018 — 03\/2023)\u003cbr\u003eX6 G06 LCI   (02\/2022 — 02\/2025)\u003cbr\u003eZ4 E89   (01\/2011 — 08\/2016)\u003cbr\u003eZ4 G29   (10\/2017 — 03\/2025)\u003cbr\u003eMINI F56   (04\/2013 — 03\/2021)\u003cbr\u003eMINI F56 LCI   (03\/2020 — 02\/2024)\u003cbr\u003eMINI F66   (10\/2022 — 03\/2025)\u003cbr\u003eMINI F55   (09\/2013 — 03\/2021)\u003cbr\u003eMINI F55 LCI   (03\/2020 — 02\/2024)\u003cbr\u003eMINI F65   (02\/2023 — 03\/2025)\u003cbr\u003eMINI Clubman F54   (11\/2014 — 07\/2019)\u003cbr\u003eMINI Clubman F54 LCI   (05\/2018 — 02\/2024)\u003cbr\u003eMINI Cabrio F67   (07\/2023 — 03\/2025)\u003cbr\u003eMINI Cabrio F57   (11\/2014 — 02\/2021)\u003cbr\u003eMINI Cabrio F57 LCI   (03\/2020 — 02\/2024)\u003cbr\u003eMINI Countryman F60   (11\/2015 — 07\/2020)\u003cbr\u003eMINI Countryman F60 LCI   (05\/2019 — 02\/2024)\u003cbr\u003eMINI Countryman U25   (10\/2022 — 03\/2025)\u003cbr\u003eMS BMW Motorsport   ( — )\u003cbr\u003e\u003c\/p\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":44343522427196,"sku":"18307581970","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/FullSizeRender_6f98d381-47e3-4a7f-a83b-e27635b54443.jpg?v=1705356635"},{"product_id":"bmw-4-turbo-to-downpipe-v-band-exhaust-clamp-for-bmw-b38-b46-b48-n20-n55","title":"Genuine BMW 4″ Turbo to Downpipe V-Band Exhaust Clamp for BMW B38\/B46\/B48\/N20\/N26\/N55  18307606136","description":"\u003cp\u003eOEM Turbo to Downpipe Exhaust Clamp for BMW B38 B46 B48 N20 N26 N55\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThese are sold individually and you can reference the chart below to determine fitment for your vehicle. Please note that the N55 vehicles only require one clamp. Early year N55 need the 3.5 inch clamp. This clamp is often referred to as a clamp for a 4.0″ downpipe.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Numbers: 18307606136 18307581969\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eThis item fits the following BMWs:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e1' F20   (07\/2010 — 02\/2015)\u003cbr\u003e1' F20 LCI   (05\/2014 — 06\/2019)\u003cbr\u003e1' F21   (07\/2010 — 02\/2015)\u003cbr\u003e1' F21 LCI   (05\/2014 — 06\/2019)\u003cbr\u003e1' F40   (05\/2018 — 06\/2024)\u003cbr\u003e1' F70   (03\/2023 — 03\/2025)\u003cbr\u003e2' F22   (10\/2012 — 06\/2017)\u003cbr\u003e2' F22 LCI   (09\/2016 — 06\/2021)\u003cbr\u003e2' F87 M2   (11\/2014 — 06\/2017)\u003cbr\u003e2' F87 M2 LCI   (09\/2016 — 06\/2018)\u003cbr\u003e2' G42   (06\/2020 — 03\/2025)\u003cbr\u003e2' F23   (03\/2014 — 06\/2017)\u003cbr\u003e2' F23 LCI   (09\/2016 — 07\/2021)\u003cbr\u003e2' F44 Gran Coupé   (10\/2018 — 10\/2024)\u003cbr\u003e2' F74 Gran Coupé   (05\/2023 — 03\/2025)\u003cbr\u003e2' F78 Gran Coupé   (08\/2023 — 03\/2025)\u003cbr\u003e2' F45 Active Tourer   (11\/2013 — 02\/2018)\u003cbr\u003e2' F45 Active Tourer LCI   (05\/2017 — 10\/2021)\u003cbr\u003e2' U06 Active Tourer   (11\/2020 — 03\/2025)\u003cbr\u003e2' F46 Gran Tourer   (07\/2014 — 03\/2018)\u003cbr\u003e2' F46 Gran Tourer LCI   (05\/2017 — 12\/2022)\u003cbr\u003e3' F30   (02\/2011 — 07\/2015)\u003cbr\u003e3' F30 LCI   (09\/2014 — 10\/2018)\u003cbr\u003e3' G20 Sedan   (10\/2017 — 06\/2022)\u003cbr\u003e3' G20 Sedan LCI   (07\/2021 — 03\/2025)\u003cbr\u003e3' G28 Sedan   (01\/2018 — 09\/2022)\u003cbr\u003e3' G28 Sedan LCI   (07\/2021 — 03\/2025)\u003cbr\u003e3' F31   (07\/2011 — 06\/2015)\u003cbr\u003e3' F31 LCI   (09\/2014 — 06\/2019)\u003cbr\u003e3' G21 Touring   (06\/2018 — 06\/2022)\u003cbr\u003e3' G21 Touring LCI   (07\/2021 — 03\/2025)\u003cbr\u003e3' F34 GT   (07\/2012 — 06\/2016)\u003cbr\u003e3' F34 GT LCI   (09\/2015 — 05\/2021)\u003cbr\u003e4' F32   (11\/2012 — 02\/2017)\u003cbr\u003e4' F32 LCI   (05\/2016 — 06\/2020)\u003cbr\u003e4' G22 Coupé   (06\/2019 — 02\/2024)\u003cbr\u003e4' G22 Coupé LCI   (02\/2023 — 03\/2025)\u003cbr\u003e4' F33   (03\/2013 — 02\/2017)\u003cbr\u003e4' F33 LCI   (05\/2016 — 07\/2020)\u003cbr\u003e4' G23 Convertible   (10\/2019 — 02\/2024)\u003cbr\u003e4' G23 Convertible LCI   (02\/2023 — 03\/2025)\u003cbr\u003e4' F36 Gran Coupé   (07\/2013 — 03\/2017)\u003cbr\u003e4' F36 Gran Coupé LCI   (05\/2016 — 05\/2021)\u003cbr\u003e4' G26 Gran Coupé   (09\/2020 — 07\/2024)\u003cbr\u003e4' G26 Gran Coupé LCI   (06\/2023 — 03\/2025)\u003cbr\u003e5' F07 GT LCI   (08\/2012 — 02\/2017)\u003cbr\u003e5' F10   (06\/2010 — 06\/2013)\u003cbr\u003e5' F11   (06\/2010 — 06\/2013)\u003cbr\u003e5' F11 LCI   (10\/2012 — 02\/2017)\u003cbr\u003e5' F10 LCI   (08\/2012 — 10\/2016)\u003cbr\u003e5' G30   (10\/2015 — 06\/2020)\u003cbr\u003e5' G30 LCI   (06\/2019 — 06\/2023)\u003cbr\u003e5' G31 Touring   (03\/2016 — 06\/2020)\u003cbr\u003e5' G31 Touring LCI   (05\/2019 — 02\/2024)\u003cbr\u003e5' G60 Sedan   (06\/2022 — 03\/2025)\u003cbr\u003e5' G68 Sedan   (09\/2022 — 03\/2025)\u003cbr\u003e5' G61 Touring   (05\/2023 — 03\/2025)\u003cbr\u003e6' F06 Gran Coupé   (05\/2011 — 02\/2015)\u003cbr\u003e6' F06 Gran Coupé LCI   (06\/2014 — 09\/2018)\u003cbr\u003e6' F12   (10\/2009 — 02\/2015)\u003cbr\u003e6' F12 LCI   (07\/2014 — 05\/2018)\u003cbr\u003e6' F13   (04\/2010 — 02\/2015)\u003cbr\u003e6' F13 LCI   (05\/2014 — 10\/2017)\u003cbr\u003e6' G32 GT   (10\/2016 — 07\/2020)\u003cbr\u003e6' G32 GT LCI   (07\/2019 — 06\/2024)\u003cbr\u003e7' F01   (09\/2007 — 06\/2012)\u003cbr\u003e7' F01 LCI   (05\/2011 — 05\/2015)\u003cbr\u003e7' F02   (09\/2007 — 06\/2012)\u003cbr\u003e7' F02 LCI   (06\/2011 — 05\/2015)\u003cbr\u003e7' G11   (12\/2014 — 02\/2019)\u003cbr\u003e7' G11 LCI   (01\/2018 — 06\/2022)\u003cbr\u003e7' G12   (12\/2014 — 02\/2019)\u003cbr\u003e7' G12 LCI   (01\/2018 — 06\/2022)\u003cbr\u003ei8 I12   (02\/2013 — 02\/2018)\u003cbr\u003ei8 I12 LCI   (11\/2016 — 06\/2020)\u003cbr\u003ei8 I15   (01\/2017 — 06\/2020)\u003cbr\u003eX1 E84   (04\/2009 — 06\/2015)\u003cbr\u003eX1 F48   (11\/2014 — 06\/2019)\u003cbr\u003eX1 F48 LCI   (05\/2018 — 06\/2022)\u003cbr\u003eX1 U11   (06\/2021 — 03\/2025)\u003cbr\u003eX1L U12   (11\/2021 — 03\/2025)\u003cbr\u003eX2 F39   (10\/2016 — 10\/2023)\u003cbr\u003eX2 U10   (09\/2022 — 03\/2025)\u003cbr\u003eX3 F25   (07\/2009 — 08\/2017)\u003cbr\u003eX3 G01   (10\/2016 — 08\/2021)\u003cbr\u003eX3 G01 LCI   (08\/2020 — 08\/2024)\u003cbr\u003eX3 G08 LCI   (08\/2020 — 12\/2024)\u003cbr\u003eX3 G45   (06\/2023 — 03\/2025)\u003cbr\u003eX3L G48   (09\/2023 — 03\/2025)\u003cbr\u003eX4 F26   (05\/2013 — 03\/2018)\u003cbr\u003eX4 G02   (03\/2017 — 07\/2021)\u003cbr\u003eX4 G02 LCI   (08\/2020 — 03\/2025)\u003cbr\u003eX5 E70 LCI   (08\/2011 — 06\/2013)\u003cbr\u003eX5 F15   (08\/2012 — 06\/2018)\u003cbr\u003eX5 G05   (05\/2018 — 12\/2021)\u003cbr\u003eX5L G18   (04\/2021 — 08\/2023)\u003cbr\u003eX5L G18 LCI   (06\/2022 — 03\/2025)\u003cbr\u003eX6 E71   (08\/2011 — 06\/2014)\u003cbr\u003eX6 F16   (09\/2013 — 05\/2019)\u003cbr\u003eX6 G06   (09\/2018 — 03\/2023)\u003cbr\u003eX6 G06 LCI   (02\/2022 — 02\/2025)\u003cbr\u003eZ4 E89   (01\/2011 — 08\/2016)\u003cbr\u003eZ4 G29   (10\/2017 — 03\/2025)\u003cbr\u003eMINI F56   (04\/2013 — 03\/2021)\u003cbr\u003eMINI F56 LCI   (03\/2020 — 02\/2024)\u003cbr\u003eMINI F66   (10\/2022 — 03\/2025)\u003cbr\u003eMINI F55   (09\/2013 — 03\/2021)\u003cbr\u003eMINI F55 LCI   (03\/2020 — 02\/2024)\u003cbr\u003eMINI F65   (02\/2023 — 03\/2025)\u003cbr\u003eMINI Clubman F54   (11\/2014 — 07\/2019)\u003cbr\u003eMINI Clubman F54 LCI   (05\/2018 — 02\/2024)\u003cbr\u003eMINI Cabrio F67   (07\/2023 — 03\/2025)\u003cbr\u003eMINI Cabrio F57   (11\/2014 — 02\/2021)\u003cbr\u003eMINI Cabrio F57 LCI   (03\/2020 — 02\/2024)\u003cbr\u003eMINI Countryman F60   (11\/2015 — 07\/2020)\u003cbr\u003eMINI Countryman F60 LCI   (05\/2019 — 02\/2024)\u003cbr\u003eMINI Countryman U25   (10\/2022 — 03\/2025)\u003cbr\u003eMS BMW Motorsport   ( — )\u003cbr\u003e\u003c\/p\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":44343557882172,"sku":"18307606136","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/dp-clamp-100-e1607464095141-655x430_6e8c3e88-cf6b-40f2-9612-ff36fe9ee81d.jpg?v=1674843380"},{"product_id":"active-autowerke-catted-downpipe-with-gesi-b46-2016-2021-bmw-120i-220i-230i-320i-330e-330i-420i-430i-630i-730i-xdrive-g-f-chassis","title":"Active Autowerke Catted Downpipe with GESI B46 2016 – 2021 BMW 120i, 220i, 230i, 320i, 330e, 330i, 420i, 430i, 630i, 730i \u0026 xDrive G \u0026 F Chassis","description":"\u003cp\u003eThis product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePlease input your VIN as the mounting brackets change depending on Chassis. \u003c\/strong\u003e\u003cstrong\u003eNot all G Chassis cars have the G Chassis downpipe brace, some have the F chassis brace.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eActive Autowerke BMW B46 Catted Downpipe with GESI G-Sport. BMW introduced a new valve-tronic, single turbo version of its direct-injection engine for the later F-Chassis models beginning in 2016 and continuing into the G-chassis models. The Active Autowerke B46 downpipe for the 230i, 330i and 430 helps unleash some of the potential that is restricted by the OEM downpipe.\u003cbr\u003e\u003cbr\u003eTurbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the B46 is quite restrictive, which results in slower exhaust gases and slower turbo spool. The Active Autowerke F-Chassis B46 Signature down pipe utilizes 3-1\/2 inch diameter stainless steel piping in order to provide more power, quicker spool, and extreme durability. We've incorporated a stainless flex joint and then to the ball flare to meet the OEM exhaust system.\u003cbr\u003e\u003cbr\u003eThe GESi G-Sport High Output Catalytic Converter features full 304 stainless steel construction, including the substrate. GESi HO-Series Gen 2 Catalytic Converters are EPA registered and compliant in 49 states and fully OBD2 compliant, perfect for use on 1996 and newer vehicles. GESi proprietary precious metal loading technology ensures greatly reduced emissions, eliminating most \"Check Engine Lights\". These high flow catalytic converters outperform stock converters and provide a reliable solution to the most common catalytic converter problems.\u003cbr\u003e\u003cbr\u003eThe GESi HO-Series Catalytic Converters are rated for engines putting out between 300 and 500 horsepower while maintaining a high flow capacity. The reduced back-pressure from this high flow catalytic converter will allow you to maximize your engines horsepower without the harmful emissions. Say goodbye to Check Engine Lights and failed emissions tests!\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e\u003cbr\u003eGESI EPA registered high flow and fully OBD2 compliant\u003cbr\u003eCasted upper stainless steel V-Band for precise fitment\u003cbr\u003e3-1\/2 inch diameter piping allows for maximum power output\u003cbr\u003eQuicker turbo spool\u003cbr\u003eRated for 300 to 500 hp applications\u003cbr\u003eWithstands up to 1500 F\u003cbr\u003eCan reach operational efficiency within 9 seconds of startup\u003cbr\u003eEasily bolts-on no cutting or welding required\u003cbr\u003eDurable construction from TIG welded 304 stainless steel\u003cbr\u003eUltra high flow 400 cell per square inch catalyst\u003cbr\u003eEPA compliant for use on OBD2 vehicles (1996 and newer) except in California\u003cbr\u003e304 stainless steel substrate in catalytic converter is furnace braised to the mantle for outstanding durability\u003cbr\u003eGESi proprietary precious metal loading technology ensures greatly reduced emissions\u003cbr\u003eBoth passengers and drivers are safe from harmful emissions and noise\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-mce-fragment=\"1\"\u003ePlease note that this downpipe will only fit vehicles with the B46 engine.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eVRSF F20\/F22\/F30\/F31\/F32\/F33\/G20\/G30\/G11 B46 Stainless Steel Downpipe\u003cbr data-mce-fragment=\"1\"\u003eCrafted by hand from tig welded, 304 grade stainless steel.\u003cbr data-mce-fragment=\"1\"\u003eFits both RHD and LHD models with no modification necessary.\u003cbr data-mce-fragment=\"1\"\u003eSmooth radius bends to decrease turbulence and increase flow.\u003cbr data-mce-fragment=\"1\"\u003eFits the stock catback as well as all aftermarket exhausts.\u003cbr data-mce-fragment=\"1\"\u003eGains from 18-23 hp with tune.\u003cbr data-mce-fragment=\"1\"\u003eVRSF Lifetime Warranty\u003cbr data-mce-fragment=\"1\"\u003eThis item fits the following BMWs:\u003cbr data-mce-fragment=\"1\"\u003e2016 – 2020 F20 BMW 120i \u0026amp; 125i including xDrive Models (B46 Engine)\u003cbr data-mce-fragment=\"1\"\u003e2016 – 2020 F22 BMW 220i \u0026amp; 230i including xDrive Models (B46 Engine)\u003cbr data-mce-fragment=\"1\"\u003e2016 – 2020 F30\/F31 BMW 320i, 330e, 330i including xDrive Models (B46 Engine)\u003cbr data-mce-fragment=\"1\"\u003e2016 – 2020 F32\/F33\/F36 BMW 420i, 430i including xDrive Models (B46 Engine)\u003cbr data-mce-fragment=\"1\"\u003e2016 – 2020 F31\/F32 BMW 730i \u0026amp; 740e including xDrive Models (B46 Engine)\u003cbr data-mce-fragment=\"1\"\u003e2016 – 2020 G30 BMW 530i including xDrive Models (B46 Engine)\u003cbr data-mce-fragment=\"1\"\u003e2020+ G20 BMW 320i including xDrive Models (B46 Engine)\u003cbr data-mce-fragment=\"1\"\u003e2020+ G20 BMW 330i including xDrive Models (B46 Engine)\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":50078252171580,"sku":"11-065G","price":1424.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/Acttve_AAWerk_11-065.jpg?v=1751984261"},{"product_id":"evolution-racewerks-b46-engine-2016-2021-bmw-120i-220i-230i-320i-330e-330i-420i-430i-630i-730i-xdrive-g-f-chassis","title":"Evolution Racewerks Catless Downpipe B46 Engine BMW 120i, 220i, 230i, 320i, 330e, 330i, 420i, 430i, 630i, 730i \u0026 xDrive G \u0026 F Chassis","description":"\u003cp\u003eIntroducing our new Competition Series 4\" Downpipes for your BMW B46 four cylinder turbo engine!  Fits all 2016+ 230i \/ 330i \/ 430i \/ 530i \/ X3 30i \/ X4 30i \/ Z4 30i\/20i.  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe B46 engine is found in all U.S. spec cars.  The downpipe is different than the B48 found in the EU \/ Asia spec cars.  This pipe is for US spec cars.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Please input year make model and if you have a US spec car.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTHIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe item is for sale for international customers without restriction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEase of Installation: (1 Easy, 5 Hard) 3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNow available for the 2016+ 230i \/ 330i \/ 430i \/ 530i \/ X3 30i \/ X4 30i \/ Z4 30i\/20i B46 Engine!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHorsepower gains of 14 to 16whp average (gains will vary based on modifications of your vehicle).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher Max Horsepower Power Curve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTorque gains of 20 wtq average (stock boost) up to over 24 wtq (Software upgrade)\u003c\/span\u003e \u003cspan\u003e(gains will vary based on modifications of your vehicle).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher Intial Torque Curve.  Torque curve hits faster and higher and longer.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter throttle response and faster turbo spool up times.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMandrel Bent 4\" piping.  Smooth transition to the exhaust system.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e100% Stainless Steel Construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e100% TIG welded for better quality welds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision CNC machined turbocharger V-Band flange.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision CNC machined ball joint flange with straight flow interior (versus factory press formed ball joint)\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStainless steel flex section like factory that allows proper exhaust movement and flexibility.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMirror polish or brush finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable with high temperature black thermal coating to reduce under hood temperatures.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional - Additional O2 sensor bung for wideband O2 sensors (comes with pre-installed plug)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional EGT sensor bung for EGT gauges (comes with pre-installed plug)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRetains the factory \"ball\" type v-band connector.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved design of \"ball\" connector for better flow characteristics over factory connector.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with the factory or aftermarket exhaust systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrack tested durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes all hardware for complete installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLimited Lifetime Warranty.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"giImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"block-imageblock-ImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"one-image\"\u003e\u003ca href=\"https:\/\/www.evolutionracewerks.com\/index.php?q=gallery\u0026amp;g2_itemId=264856\"\u003e\u003cimg alt=\"b46dp1a\" class=\"giThumbnail\" height=\"525\" width=\"700\" src=\"https:\/\/www.evolutionracewerks.com\/sites\/all\/modules\/gallery2\/main.php?g2_view=core.DownloadItem\u0026amp;g2_itemId=264856\u0026amp;g2_serialNumber=1\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShown in Brush Finish\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"giImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"block-imageblock-ImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"one-image\"\u003e\u003ca href=\"https:\/\/www.evolutionracewerks.com\/index.php?q=gallery\u0026amp;g2_itemId=280802\"\u003e\u003cimg alt=\"B46DPTB1\" class=\"giThumbnail\" height=\"525\" width=\"700\" src=\"https:\/\/www.evolutionracewerks.com\/sites\/all\/modules\/gallery2\/main.php?g2_view=core.DownloadItem\u0026amp;g2_itemId=280802\u0026amp;g2_serialNumber=1\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShown in Thermal Coated Black\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eRestrictions in the exhaust system robs horsepower and torque especially on turbocharged cars.  Thus, removing as much exhaust flow restrictions will increase horsepower and torque significantly.  The factory catalytic converter found in the factory downpipe is a big culprit of this and is a major exhaust flow restriction.  The factory catalytic converter is made up of catalyst material formed into \"honeycomb\" weaves.  Exhaust gas must pass through these tiny \"honeycomb\" weaves on their way to the exhaust system thus causing a major exhaust flow restriction.  It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction).  By replacing the factory downpipe\/catalytic converter with our Competition Series 4\" Catless Downpipe, more power is unleashed!  Our dyno testing has shown around 14-16whp average peak gains and upwards of 24wtq peak gains!  While peak horsepower is nice to look at on dyno charts, what's more important is the power curve.  If you look at the dyno charts, torque hits \u003cstrong\u003eMUCH\u003c\/strong\u003e earlier and harder.  The torque curve is \u003cstrong\u003eBROADER \u003c\/strong\u003ethroughout the RPM band.  More usable power.  You have more time spent in the RPM band with higher horsepower and torque.  This equates to faster turbo spool up (less turbocharger lag) and better throttle response.  Bottom line, faster.  You will feel the difference instantly. \u003c\/p\u003e\n\u003cp\u003eOur Competition Series Catless Downpipes is constructed out of 100% 304 grade stainless steel and utilize mandrel bent piping.  They are 100% TIG welded by our in house fabricators and built in the USA.  The factory turbocharger turbine housing utilizes a 4\" V-Band flange which we have duplicated and CNC machined cut out of billet 304 stainless steel.  Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods.  The O2 sensor is positioned at the factory location.  Since the outlet of the turbocharger is 4\" and the factory exhaust system is 3\", the factory downpipes reduces size using short transitions from 4\" before the catalytic convert and 3\" afterwards.  Due to space needed for the cataylic converter, the factory downpipes reduce in size using very short transitions.  Since our catless downpipes delete the cataylic converter, we have more space.  Thus, we use very long transitions.  These longer transitions allow the exhaust gas time to smoothly transition from the larger piping to the smaller.  This results in less exhaust turbulence and backpressure which again improves throttle response and increase turbocharger spool times (less turbocharger lag). \u003c\/p\u003e\nThe factory downpipe utilizes a flex bellow section that allows the exhaust system to move.  This eliminates undue stress on the exhaust components like the exhaust system, downpipe, turbocharger and exhaust manifold.  Many of our competitors do not feel it is important to keep this.  While you do not see any adverse affects right away, over time, the stresses caused by not having a flex section and having a rigid exhaust system will cause premature wear and tear.  Any stress failures like cracks will form quicker than usual on exhaust manifolds and exhaust components.  Also, without a flex section, the exhaust system cannot properly deflect impact.  Especially on lowered cars, whenever the exhaust system contacts the ground, the entire system gets pushed up.  Without a flex, you can imagine how much stress is put into exhaust components like the exhaust manifold when the exhaust is pushed upwards.  We fully understand that durability of our products is important.  Thus, like BMW, we incorporate a flex section into our downpipe.  Our flex sections are 100% stainless steel (cheap flex sections only have stainless steel center braids and steel caps) to ensure corrosion resistance.  \n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"giImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"block-imageblock-ImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"one-image\"\u003e\u003ca href=\"https:\/\/www.evolutionracewerks.com\/index.php?q=gallery\u0026amp;g2_itemId=264866\"\u003e\u003cimg alt=\"b46flange1a\" class=\"giThumbnail\" height=\"350\" width=\"263\" src=\"https:\/\/www.evolutionracewerks.com\/sites\/all\/modules\/gallery2\/main.php?g2_view=core.DownloadItem\u0026amp;g2_itemId=264868\u0026amp;g2_serialNumber=2\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC Machined Solid Billet Ball Joint \u0026amp; Stainless Steel Flex Section\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eOne of the main features of our B46 downpipe is the CNC machined solid stainless steel billet ball joint.  The factory downpipe uses a press formed process to produce the \"ball\" joint to connect to the factory exhaust.  This process can be done very inexpensively when done in large productions runs.  Unfortunately, the drawback of this press formed \"ball\" joint is that the interior of the pipe also mimics the outside.  When exhaust flows through a pipe, the majority of the exhaust flow tends to stay on the outer edges of the pipe.  Thus, when exhaust flows into the \"ball\" section, it goes into the valley created by the \"ball\" joint and then back up the other side.  This creates tremedous amounts of turbulence in the exhaust flow right at that section.  Turbulence in turn, slows down exhaust flow velocities as well as increase back-pressure.  It's a well known fact that with turbocharged cars, you want the least amount of back-pressure while still maintaining high exhaust flow velocities.  Why?  Because low back-pressure and high velocities allow the turbocharger to spin faster.  This equates to reducing turbocharger lag and faster spool times.  Throttle response is also improved.  We had originally thought to use the same press form process to manufacture our downpipes.  However, very quickly we noticed this flaw to the process and decided to CNC a solid stainless steel billet \"ball\" joint.  This allowed us to keep the factory connection while keeping the interior of the ball smooth.  This allows the exhaust to flow unrestricted through the \"ball\" joint.  While this CNC solid stainless steel billet was very expensive to manufacturer, our motto at ER is \"Performance, no compromises\".  Our in house testing showed that we did indeed have real world improvements with this new CNC billet \"ball\" joint and thus worth the extra costs.  This is why the N26 downpipes do cost a little bit more than the N20 downpipes as the N20 downpipes do not have the ball joint system but use a traditional slip-fit design which is cheaper for us to manufacturer.  The pictures below show the factory \"ball\" joint cut in half (to show in the interior) versus our CNC solid stainless steel billet \"ball\" joint.\u003c\/p\u003e\n\u003cp\u003eSince we are able to reproduce the factory \"ball\" joint v-band connector, our downpipes are designed to fit perfectly with either the factory exhaust system or your aftermarket exhaust system.  There are no compatibility issues whatsover.  The downpipes will come by default with brushed finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBUILD DATE\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFrom 09\/2020 and on build date cars, BMW changed the downpipe bracket location.  The 09\/2020+ models have one downpipe bracket on top and one on the very bottom.  The 2016 to 08\/2020 build date had one downpipe bracket on top and one on the side.  You need to select the correct build date to ensure you have the correct downpipe bracket alignments.  If you are unsure about which version you need, feel free to contact us or call at 626-334-6609 and we can help you find out which version you need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOPTIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCeramic Thermal Coating -\u003c\/strong\u003e The purpose of ceramic coating downpipes is to keep heat from the exhaust gases inside the downpipe from radiating out.  This keeps underhood temperatures lower and less heat absorption by nearby parts\/surfaces.  Another added benefit is that by keeping in heat (energy) in the exhaust gases inside the downpipe, exhaust flow velocities stay up, resulting in lower backpressure.  The ceramic coating also adds additional corrosion resistance.  We utilize the best ceramic coating possible.  Our thermal coating can resist up to 2000F of heat.  It is available in black only (all the other colors cannot withstand heat that high).\u003c\/p\u003e","brand":"Evolution Racewerks","offers":[{"title":"Race Pipe \/ Brushed Finish","offer_id":44374842376508,"sku":"BM-EXH019S","price":490.5,"currency_code":"USD","in_stock":true},{"title":"Race Pipe \/ Polished Finish","offer_id":44374842409276,"sku":"BM-EXH019P","price":535.5,"currency_code":"USD","in_stock":true},{"title":"Race Pipe \/ Thermal Coated Black","offer_id":44374842442044,"sku":"BM-EXH019TB","price":576.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/b46dp1a.jpg?v=1675288794"},{"product_id":"project-gamma-b58-downpipe-bmw-and-toyota-m140-m240-340-440-x3-x5-supra","title":"Project Gamma B58 Race Downpipe BMW and Toyota M140\/M240\/340\/440\/X3\/X5 Supra","description":"\u003cdiv class=\"product-single__description rte\"\u003e\n\u003cp\u003eMade specifically for BMW M140\/M240\/340\/440\/X3\/X5  and Toyota Supra\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eProject Gamma downpipes for the B58 engines feature a 4” construction along with a stainless steel v-band to pipe transition that is machined with CNC to precision.\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eOur BMW downpipes are the best bang for your buck mod available for your B58 engine, with gains from 50 Horsepower and 60 Torque when tuned.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eRather than necking down closer to the turbos like most of our competitors, our downpipes present a full 3D design up to the last inches proving a greater increase in flow. Project Gamma downpipes are handcrafted to extreme rust resistance using 304 Stainless Steel.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003e******The product you see has been Ceramic Coated. To protect your engine bay from possible heat damage please purchase our Ceramic Coating add-on before checking out, otherwise your downpipes will just come polished.*******\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cp\u003e- Major increases in power throughout the powerband\u003c\/p\u003e\n\u003cp\u003e- Improved turbo and throttle response\u003c\/p\u003e\n\u003cp\u003e- Elimination of turbo lag\u003c\/p\u003e\n\u003cp\u003e- Exotic exhaust note\u003c\/p\u003e\n\u003cp\u003e- Precise and proper fitment using factory heat shielding\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNote: This product requires installation by a technician and will need tune recalibration to avoid cel light.  \u003c\/p\u003e\n\u003ch2\u003eFitment:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits RWD and AWD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits B58 and B58TU (Gen1 and Gen2)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016–2021 BMW 240\/M240 F22\/F23\u003c\/li\u003e\n\u003cli\u003e2022-2024 BMW M240i G42\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 340i F30\/F31\/F34\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 440i F32\/F33\/F36\u003c\/li\u003e\n\u003cli\u003e2020-2024 BMW M340i G20\/G21\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 440i G22\/G23\/G26\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 540i G30\/G31\u003c\/li\u003e\n\u003cli\u003e2017-2023 BMW 640i G32\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 740i G11\/G12\u003c\/li\u003e\n\u003cli\u003e2018-2024 BMW 840i G14\/G15\/G16\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X3 M40 G01\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X4 M40 G02\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X5 M40 G05\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X6 M40 G06\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X7 M40 G07\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2019-2024 BMW Z3 40 G29\u003c\/li\u003e\n\u003cli\u003e2019-2024 Toyota Supra 3.0L A90\/A91\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Project Gamma","offers":[{"title":"Ceramic Coating","offer_id":44529938497852,"sku":"","price":510.0,"currency_code":"USD","in_stock":true},{"title":"Polished","offer_id":44529938530620,"sku":"","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/1_3_900x_5d9bb7fa-5f73-438f-884b-713c362c4a8a.webp?v=1748379160"},{"product_id":"valvetronic-designs-valved-exhaust-catback-bmw-g20-g22-m340i-m440i-b58","title":"Valvetronic Designs Valved Exhaust Catback BMW G20 G22 M340i M440i B58","description":"\u003ch3\u003eFree Shipping within Continental US\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eWelcome everyone, to the ultimate exhaust experience for the BMW M340i and M440i\u003c\/h3\u003e\n\u003cp\u003eAt Valvetronic Designs, we believe in offering enthusiast the ultimate experience. That is why in our pursuit to develop engineer and deliver the worlds most enjoyable sound experience for the G2x platform, we have resulted in one of our finest systems yet. Utilizing many developments from our other systems, the maximum piping diameter is used so that you get the most raw and unfiltered sound experience when the valves are opened. The front section measures a massive 3.5 inches and after the Y section, the exhaust continues unrestricted dual 3 inch all the way back to a set of beautiful Valvetronic Designs tips. When the valves are open, this system is as raw as it comes. Tons of turbospool, aggressive overrun, and an unfiltered aggressive sound that sings all the way from idle to red line. Fortunately, with the valves closed, the exhaust is extremely docile and perfect for a daily use. Over 25 dB of sound difference from valves open to valves closed means that you're enjoy enjoyment of your M340i or M440i will be unwavering as this exhaust system allows you to have that much needed flexibility. At Valvetronic Designs, we never compromise, and neither should you when it comes to choosing the best exhaust system for your G20.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eFeatures of this Valved Exhaust\u003c\/h3\u003e\n\u003cdiv class=\"included-list\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eConstructed from T304 Stainless Steel\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e3.5 in midpipe for maximum sound and flow\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDual Pneumatic Actuated Valves for Unparalleled Longevity and Flexibility \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e21.7 lbs Lighter than the factory exhaust\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFully Mandrel bend for maximum flow\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePrecision tig welds for high strength\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e100% REVERSABLE, always able to go back to stock at any time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"included-list\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2019 - 2025 BMW M340i G20 \u003c\/li\u003e\n\u003cli\u003e20\u003cspan data-mce-fragment=\"1\"\u003e19 - 2025 BMW M440i G22 \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valvetronic","offers":[{"title":"Brushed \/ Chrome","offer_id":44543023644988,"sku":"BMW.G20.M340i.VSES.BR.CH","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ Burnt","offer_id":44543023677756,"sku":"BMW.G20.M340i.VSES.BR.BRT","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ Black","offer_id":44543023710524,"sku":"BMW.G20.M340i.VSES.BR.BLK","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ Forged Carbon","offer_id":44543023743292,"sku":"BMW.G20.M340i.VSES.BR.FC","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Brushed \/ Carbon Fiber","offer_id":44543023776060,"sku":"BMW.G20.M340i.VSES.BR.RC","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Chrome","offer_id":44543023808828,"sku":"BMW.G20.M340i.VSES.AG.CH","price":3999.0,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Burnt","offer_id":44543023841596,"sku":"BMW.G20.M340i.VSES.AG.BRT","price":3999.0,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Black","offer_id":44543023874364,"sku":"BMW.G20.M340i.VSES.AG.BLK","price":3999.0,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Forged Carbon","offer_id":44543023907132,"sku":"BMW.G20.M340i.VSES.AG.FC","price":3999.0,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Carbon Fiber","offer_id":44543023939900,"sku":"BMW.G20.M340i.VSES.AG.RC","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/2023-02-28_125709.png?v=1748379142"},{"product_id":"cts-turbo-race-downpipes-bmw-f2x-f3x-g20-g30-230i-330i-430i-530i-xdrive-b46","title":"CTS Turbo Race Downpipes BMW F2X\/F3X\/G20\/G30 230I\/330I\/430I\/530I \u0026 XDRIVE B46","description":"\u003cp style=\"display: inline !important;\"\u003eThe CTS Turbo downpipe for the BMW B46 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!\u003c\/p\u003e\n\u003cp\u003eDesigned using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eProduct Details:\u003c\/u\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecisely designed and tested on a real car in the real world\u003c\/li\u003e\n\u003cli\u003eFits both RHD and LHD models.\u003c\/li\u003e\n\u003cli\u003eT304 stainless steel, TIG welded back-purged construction\u003c\/li\u003e\n\u003cli\u003eGreat power upgrade with uncompromising performance\u003c\/li\u003e\n\u003cli\u003eIncredible sporty exhaust sound, subtle when cruising\u003c\/li\u003e\n\u003cli\u003eNo drone with factory exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe use of stage 2 software is strongly recommended to avoid the CEL from coming on.\u003c\/p\u003e\n\u003cp\u003eCatalytic converters damaged by “crackle tune” are not covered under warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not fit non USDM(US and Domestic Markets) spec cars, they use a B48 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016-2021 BMW F2X 230i \u0026amp; xDrive\u003c\/li\u003e\n\u003cli\u003e2016-2018 BMW F3X 330i \u0026amp; xDrive\u003c\/li\u003e\n\u003cli\u003e2019-2022 BMW G20 330i \u0026amp; xDrive\u003c\/li\u003e\n\u003cli\u003e2015-2019 BMW F3X 430i \u0026amp; xDrive\u003c\/li\u003e\n\u003cli\u003e2017-2021 BMW G30 530i \u0026amp; xDrive\u003c\/li\u003e\n\u003cli\u003eShould also fit G42 230i \u003cspan\u003e\u0026amp; xDrive\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStage 2 software is required to avoid check engine light. Only fits cars without GPF\/OPF.\u003c\/strong\u003e\u003c\/p\u003e","brand":"CTS Turbo","offers":[{"title":"Default Title","offer_id":44578905653564,"sku":"CTS-EXH-DP-0037","price":251.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/DP-0037.jpg?v=1705520548"},{"product_id":"cts-turbo-high-flow-cat-downpipes-bmw-f2x-f3x-g20-g30-230i-330i-430i-530i-xdrive-b46","title":"CTS Turbo High-Flow Catted Downpipes BMW F2X\/F3X\/G20\/G30 230I\/330I\/430I\/530I \u0026 XDRIVE B46","description":"\u003cspan\u003eThe CTS Turbo High-Flow Cat for the BMW B46 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!\u003c\/span\u003e\u003cbr\u003e\n\u003cp\u003eDesigned using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eProduct Details:\u003c\/u\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecisely designed and tested on a real car in the real world\u003c\/li\u003e\n  \u003cli\u003eT304 stainless steel, TIG welded back-purged construction\u003c\/li\u003e\n  \u003cli\u003eReplaces restrictive factory downpipe with high-flow 200 cell catalytic converter\u003c\/li\u003e\n  \u003cli\u003eGreat power upgrade with uncompromising performance\u003c\/li\u003e\n  \u003cli\u003eIncredible sporty exhaust sound, subtle when cruising\u003c\/li\u003e\n  \u003cli\u003eNo drone with factory exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe use of stage 2 software is strongly recommended to avoid the CEL from coming on.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2016-2021 BMW F2X 230i \u0026amp; xDrive\u003c\/li\u003e\n  \u003cli\u003e2016-2018 BMW F3X 330i \u0026amp; xDrive\u003c\/li\u003e\n  \u003cli\u003e2019-2022 BMW G20 330i \u0026amp; xDrive\u003c\/li\u003e\n  \u003cli\u003e2015-2019 BMW F3X 430i \u0026amp; xDrive\u003c\/li\u003e\n  \u003cli\u003e2017-2021 BMW G30 530i \u0026amp; xDrive\u003c\/li\u003e\n  \u003cli\u003eG42 230i \u0026amp; xDrive\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCatalytic converters damaged by “crackle tune” are not covered under warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStage 2 software is required to avoid check engine light. Only fits cars without GPF\/OPF.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n","brand":"CTS Turbo","offers":[{"title":"Default Title","offer_id":44578916827452,"sku":"CTS-EXH-DP-0037-CAT","price":386.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/DP-0037-CAT.jpg?v=1699653784"},{"product_id":"dinan-valved-axle-back-exhaust-bmw-330i-430i-b46-b48","title":"Dinan Valved Axle Back Exhaust BMW 330i\/430i B46\/B48","description":"\u003cdiv class=\"alert alert-warning\"\u003e\n\u003cdiv class=\"full_description\" data-mce-fragment=\"1\"\u003eDelivering on the promise of performance (and sound) without sacrifice, the Dinan G20 330i \/ G22 430i exhaust not only grants the B46\/B48 4-cylinder improved exhaust flow by reducing back pressure but also imbues the platform with a deeper and fuller note, free of any added drone or other negative side effects commonly associated with aftermarket exhausts. The goal of OEM+ and then some, realized. Utilizing factory cut points and mounting mechanics the Dinan exhaust system is a straightforward install with precision fitment just like you would expect straight from the manufacturer. Mounting and proper fitment is where the similarities to the factory exhaust end, however. Fabricated from brushed 100% T304 stainless steel, TIG welded and free of hydroformed pipes the upgraded system is a substantial improvement from its predecessor - both in terms of material\/construction as well as in overall looks. When viewed from the rear the difference becomes unmistakable if it was not already apparent. Going from the plebeian stock dual slash cut 90mm (3.5\") tips to the massive Dinan straight cut 102mm (4\") ones leaves no doubt that something above and beyond is present. This is solidified by the Dinan logo laser engraved on the tips and the deep growl of the exhaust that is indisputably different than anything one would expect to hear from a base 4-cylinder turbo platform. Unquestionable enhancements to the overall chorus emitted through the Dinan system transcends all modes making the vehicle a delight to drive and enjoy. However, for those that wish to have options to limit the extraordinary soundtrack for late night or early morning arrivals\/departures (or any number of other reasons) factory valve control is retained. This ensures the perfect blend of civility when not pushing the car or the full spectrum of auditory delight when in it. No matter the situation the Dinan valved axle back exhaust system is the answer for the discerning enthusiast looking for performance without sacrifice.\u003c\/div\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul class=\"productpage_list\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMaximum gains of +4 HP and +3 ft-lb of torque\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDual 4\" (102mm) double-walled, polished clamp-on tips with laser engraved Dinan logo\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLarger diameter piping for increased flow (85mm to dual 60mm vs. 85mm to dual 83mm)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e100% 304 Stainless Steel construction\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRetains factory valve control\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFactory-like fitment with included mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp id=\"products_description\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Dinan","offers":[{"title":"Black Tips","offer_id":44954887160124,"sku":"D660-0091-BLK","price":1849.95,"currency_code":"USD","in_stock":true},{"title":"Polished Tips","offer_id":44954887192892,"sku":"D660-0091","price":1849.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/IMG_4005.jpg?v=1681439691"},{"product_id":"valvetronic-designs-valved-exhaust-axleback-bmw-g20-g22-m330i-m430i-b48","title":"Valvetronic Designs Valved Exhaust Axleback\/Muffler BMW G20 G22 M330i M430i B46","description":"\u003ch3\u003eFree Shipping within Continental US\u003c\/h3\u003e\n\u003cp\u003e \u003cbr\u003e\u003cbr\u003eWelcome to the next revelation in G2X exhaust systems! For this axleback version we opted to create a similar system to our infamous F Chassis valved system; allowing you to customize your setup with additional exhaust modifications to obtain the desired sound you may be looking for; all with the flexibility of OEM valve integration for zero compromises! TIG welded to perfection, this system utilizes factory mounting positions and cut points for a truly OEM+ final result. Tips measure 3.5 inches for a clean appearance in the rear bumper of your BMW. \u003cbr\u003e\u003cbr\u003eWith valves closed, all exhaust gases are forced to be routed through our quad-chambered muffler, quieting down the exhaust tone to stock levels for those early morning startups, providing an unparalleled level of flexibility when needed. Open it up however and the tone completely changes as the exhaust gases bypass the muffler and go straight out the other side providing an enjoyable, drone-free experience. Our goal with this axle-back setup is to give the driver the ideal sound experience. Whether you want to combine this modification with other aftermarket free-flow components or this is the only exhaust modification you do, great sound and great flexibility comes guaranteed. At Valvetronic Designs, we do not compromise. You shouldn't either when choosing the best exhaust system for your BMW.\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cbr\u003e2019 - 2023 BMW 330i G20\u003cbr\u003e2019 - 2023 BMW 430i G22\u003cbr\u003e2019 - 2023 BMW 430i G23\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFEATURES OF THIS VALVED EXHAUST\u003c\/strong\u003e\u003cbr\u003eFully Mandrel bend for maximum flow\u003cbr\u003ePrecision tig welds for high strength\u003cbr\u003eBuilt from T304 Stainless Steel\u003cbr\u003eCustomizable 3.5\" outlet exhausts tips for that perfect OEM+ look\u003cbr\u003eElectronic OEM Valves (rapid open and close function)\u003cbr\u003eExhaust valve integration into factory dynamic drive modes\u003cbr\u003eExtension harness included plugging factory exhaust valve controller in\u003cbr\u003e100% REVERSIBLE, ALWAYS ABLE TO RETURN TO STOCK AT ANY TIME\u003c\/p\u003e","brand":"Valvetronic","offers":[{"title":"Carbon Fiber","offer_id":44982806839612,"sku":"BMW.G20.330i.AXL.BR.RC","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/2023-02-28_132052_75f67c97-b952-4a44-98c1-12c79aa7475d.png?v=1748379137"},{"product_id":"mad-b58-v2-4-5-race-downpipe-w-bracket-bmw-240i-340i-440i-supra-f-g-chassis","title":"MAD B58 V2 4.5\" Race Downpipe w\/Bracket BMW 240i\/340i\/440i\/Supra\/X3 F\/G Chassis","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUpgrade from the stock B58 downpipe to the MAD B58 catless downpipe for maximum airflow, power, and sound!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mad Catless B58 Downpipe is an essential upgrade for any BMW enthusiast looking to maximize the performance of their B58 engine. Made from high-quality materials, this downpipe is designed to provide maximum exhaust flow and improve turbo spool time, resulting in increased horsepower and torque.\u003c\/p\u003e\n\u003cp\u003eThe Mad Catless B58 Downpipe is constructed from High quality 304 stainless steel, which provides excellent durability and resistance to corrosion. The catless design eliminates the restrictive catalytic converter, allowing for maximum exhaust flow and reducing backpressure. This results in a noticeable increase in power and throttle response, as well as a more aggressive exhaust note.\u003c\/p\u003e\n\u003cp\u003eThe Mad Catless B58 Downpipe is designed to be a direct bolt-on replacement for the factory downpipe, making installation quick and easy. The downpipe is also designed to work seamlessly with the factory exhaust system, so there's no need to worry about compatibility issues.\u003c\/p\u003e\n\u003cp\u003eOverall, the Mad Catless B58 Downpipe is a must-have upgrade for any BMW B58 engine owner who wants to improve performance and unleash the full potential of their car.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/li\u003e\n\u003cli\u003eSmooth bends for maximum airflow without any drone\u003c\/li\u003e\n\u003cli\u003eUp to 30HP increase on the stock turbos, even more on upgraded turbos\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on defects and fitment\u003c\/li\u003e\n\u003cli\u003e90 day return period\u003c\/li\u003e\n\u003cli\u003eAll orders ship in 1-2 business days\u003c\/li\u003e\n\u003cli\u003eSpot on fitment\u003c\/li\u003e\n\u003cli\u003eFlex section\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not fit B58TU2 aka Gen3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2015-2024 BMW M240i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 340i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2020-2024 BMW M340i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 440i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 540i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 740i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2017-2020 X3 M40\u003c\/li\u003e\n\u003cli\u003e2017-2020 X4 M40\u003c\/li\u003e\n\u003cli\u003e2019+ Toyota Supra 3.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":45021279519036,"sku":"MAD-007","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/3007_1__48097.png?v=1752004356"},{"product_id":"mad-b58-4-5-catted-downpipe-w-bracket-bmw-240i-340i-440i-supra-x3-f-g-chassis","title":"MAD B58 4.5\" Catted Downpipe w\/Bracket BMW 240i\/340i\/440i\/Supra\/X3 F\/G Chassis","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUpgrade from the stock B58 downpipe to the MAD B58 catted downpipe for maximum airflow, power, and sound!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the Mad Catted B58 Downpipe, the perfect upgrade for BMW enthusiasts looking to enhance their vehicle's performance and exhaust sound.\u003c\/p\u003e\n\u003cp\u003eCrafted from premium quality 304 stainless steel, this downpipe is built to withstand extreme temperatures and harsh driving conditions. The smooth transition of our piping design ensures maximum exhaust flow, which results in increased horsepower, torque, and throttle response.\u003c\/p\u003e\n\u003cp\u003eThe Mad Catted B58 Downpipe is also equipped with high-flow catalytic converters, which help to reduce harmful emissions while maintaining optimal performance levels. The catalytic converters are engineered to deliver maximum flow and minimal back pressure, which results in a noticeable improvement in engine sound and overall driving experience.\u003c\/p\u003e\n\u003cp\u003eThe downpipe is designed to bolt-on directly to the stock exhaust system and does not require any cutting or welding, making installation quick and hassle-free. The Mad Catted B58 Downpipe is also compatible with aftermarket exhaust systems, providing you with endless customization options to suit your preferences.\u003c\/p\u003e\n\u003cp\u003eDon't settle for stock performance - upgrade to the Mad b58 200 Cell Race Catted Downpipes and experience the true potential of your BMW.\u003c\/p\u003e\n\u003cp\u003eRace use only \u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/li\u003e\n\u003cli\u003eSmooth bends for maximum airflow without any drone\u003c\/li\u003e\n\u003cli\u003eUp to 30HP increase on the stock turbos, even more on upgraded turbos\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on defects and fitment\u003c\/li\u003e\n\u003cli\u003e90 day return period\u003c\/li\u003e\n\u003cli\u003eAll orders ship in 1-2 business days\u003c\/li\u003e\n\u003cli\u003eSpot on fitment\u003c\/li\u003e\n\u003cli\u003eFlex section\u003c\/li\u003e\n\u003cli\u003e200 CEL high flow cats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not fit B58TU2 aka Gen3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2015-2024 BMW M240i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 340i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2020-2024 BMW M340i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 440i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 540i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 740i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2017-2020 X3 M40\u003c\/li\u003e\n\u003cli\u003e2017-2020 X4 M40\u003c\/li\u003e\n\u003cli\u003e2019+ Toyota Supra 3.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":45021310812476,"sku":"MAD-056","price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/IMG-7057_9018fae1-234a-4be9-b45f-42c7a239a9c3.jpg?v=1752004355"},{"product_id":"mad-b48-racedownpipe-bmw-220i-230i-320-330-420i-430i-f-g-chassis","title":"MAD B48 Race Downpipe BMW 220i\/230i\/320\/330\/420i\/430i\/ F\/G Chassis","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv class=\"product-description-container rte\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePlease note US models most likely will have a B46 not the B48. If unsure, please reach out to us and we’ll gladly help. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cbr\u003eUpgrade from the stock B48 downpipe to the MAD B48 catless downpipe for maximum airflow, power, and sound!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade to the MAD BMW B48 downpipe to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipe, your turbo can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well.\u003c\/p\u003e\n\u003cp\u003eExpect up to a 30HP increase on a tuned BMW B48 with stock turbo, even more on cars with upgraded turbo.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe flex pipe Section will help reduce the stress and unwanted vibration caused by heat and engine Movement. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/li\u003e\n\u003cli\u003eSmooth bends for maximum airflow without any drone\u003c\/li\u003e\n\u003cli\u003eUp to 30HP increase on the stock turbos, even more on upgraded turbos\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on defects and fitment\u003c\/li\u003e\n\u003cli\u003e90 day return period\u003c\/li\u003e\n\u003cli\u003eAll orders ship in 1-2 business days\u003c\/li\u003e\n\u003cli\u003eSpot on fitment\u003c\/li\u003e\n\u003cli\u003eFlex section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFitment:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-This will only fit international models.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-U.S models use the b46 Downpipes .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-Does not fit on cars with an OPF.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016+ BMW 120 \u0026amp; 125\u003c\/li\u003e\n\u003cli\u003e2016+ BMW 220 \u0026amp; 230\u003c\/li\u003e\n\u003cli\u003e2016+ BMW 320i, 330e, 330i (F \u0026amp; G chassis)\u003c\/li\u003e\n\u003cli\u003e2016+ BMW 420 \u0026amp; 430\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"single-product-details-block\"\u003e\n\u003cdiv class=\"product-detail-item product-detail-sku\"\u003e\n\u003cdiv class=\"single-product-details-name\"\u003eSKU:\u003c\/div\u003e\n\u003cdiv data-product-sku=\"\" class=\"single-product-details-value\"\u003eMAD-006\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":45021318250812,"sku":"MAD-006","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/MAD-006_1__66770.1616891364__37553.jpg?v=1752004353"},{"product_id":"stone-exhaust-bmw-b58-g20-g21-g22-g23-oem-integrated-valve-catback-exhaust-system-opf-inc-m340i-m440i","title":"Stone Exhaust Catback Exhaust System - OPF BMW B58 G20 G21 G22 G23  (Inc. M340i \u0026 M440i)","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the \u003cspan data-mce-fragment=\"1\"\u003eStone OEM Integrated Valve Catback Exhaust\u003c\/span\u003e, to enhance the performance and sound of your BMW G20 Sedan M340i \u0026amp; G21 Touring M340i xDrive with the B58 engine, manufactured after 2018. Stone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With their in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe OEM IntegratedValves option allows your exhaust system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Integration\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable to add-on Stone Valvetronic System\u003c\/li\u003e\n\u003cli\u003eOPF Exhaust Design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B58 Exhaust System found on the G20, G21, M340i \u0026amp; M340i xDrive. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" data-mce-style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B58 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 M340i\/M\u003cspan\u003e340i xDrive\u003c\/span\u003e\u003cspan\u003e (2018-2020)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eG21 M\u003cspan\u003e340i xDrive\u003c\/span\u003e (2018-2020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22 M440i\/M4\u003cspan\u003e40i xDrive\u003c\/span\u003e\u003cspan\u003e (2020+)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eG23\u003cspan\u003e M4\u003c\/span\u003e\u003cspan\u003e40i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2020+)\u003c\/li\u003e\n\u003cli\u003eG26 M440i \u003cspan data-mce-fragment=\"1\"\u003exDrive\u003c\/span\u003e (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAP546A\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Dual Exit with Twin Tailpipes \/ Require Original Bumper","offer_id":45122513600828,"sku":"AP546A","price":3284.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB58DG20G21OEMIntegratedValveCatbackExhaustSystem-OPF_M340i_M340ixDrive_25385905-171f-4f13-94b7-53b8ed6d8c14.png?v=1683731452"},{"product_id":"stone-exhaust-bmw-b48-g20-g21-320i-330i-cat-back-valvetronic-exhaust-system-dual-exit-with-quad-tailpipes-non-opf-model","title":"Stone Exhaust Cat-Back Exhaust System - Dual Exit with Quad Tailpipes BMW B48 G20 G21 G22 G23 330i \u0026 430i (Non OPF Model)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the state of the art \u003cspan data-mce-fragment=\"1\"\u003ee state of the art Stone Exhaust Valvetronic Cat-Back Exhaust System\u003c\/span\u003e, to enhance the performance and sound of your BMW G20 Sedan 320i \/ 330i \u0026amp; G21 Touring 320i \/ 330i with the B48 engine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With our in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe Cat-Back Valvetronic System comes with a separate remote controller that gives you full control of the exhaust, allowing you to open and close the valves with a click of a button. You can also set it in auto mode for the valves to open at a certain rpm automatically. The Stone Valvetronic system is a plug and play system, and connects to your OBDII port, which can be installed within a few minutes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eValvetronic System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote Control with On \/ Off \/ Auto settings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eBMW B48 G20 330i with Stone Exhaust Valvetronic Cat-back System Sound\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/q1CgIH8tkm4\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48 Exhaust System found on the BMW G20, G21, 320i, 330i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValvetronic System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stone Valvetronic System was independently researched and developed in house. The system forgoes the conventional design of complicated wiring and the rubber inside the valve which is prone to aging, to ensure longevity.\u003c\/p\u003e\n\u003cp\u003eWith the Valvetronic remote control providing three modes to choose from: ON \/ OFF \/ AUTO, this allows for instant switching between modes in accordance to driving conditions faced. So, let the STONE Valvetronic System adapt to your vehicle’s needs.\u003c\/p\u003e\n\u003cp\u003eThe Valvetronic remote control has 3 modes, ON \/ OFF \/ AUTO, which allows you to open and close the valve at a click of a button. The Auto mode allows customization of the opening and closing of the valve at a predefined RPM.\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/valvetronic_4bbd64f4-a300-4728-beae-be9da6be047f_480x480.png?v=1619576730\" alt=\"Valvetronic System | Stone Exhaust USA\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/valvetronic_4bbd64f4-a300-4728-beae-be9da6be047f_480x480.png?v=1619576730\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20  330i \/ \u003cspan data-mce-fragment=\"1\"\u003e330i xDrive\u003c\/span\u003e (2017+)\u003c\/li\u003e\n\u003cli\u003eG21  \u003cspan\u003e330i \/ 330i xDrive\u003c\/span\u003e (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22  430i \/ 4\u003cspan data-mce-fragment=\"1\"\u003e30i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2021+)\u003c\/li\u003e\n\u003cli\u003eG23  43\u003cspan\u003e0i \/ 430i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2021+)\u003c\/li\u003e\n\u003cli\u003eG26  4\u003cspan\u003e30i \/ 430i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2021+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAP537SQ\u003c\/span\u003e (Dual Exit with Quad Tailpipes\u003cspan data-mce-fragment=\"1\"\u003e \/ Require M Sport Bumper\u003c\/span\u003e)\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Flat Cut Gloss Carbon Fiber (102mm)","offer_id":45122513862972,"sku":"AP537SQ-1020CG","price":3940.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/1020CG_FlatCutGlossCarbonFibre_102mm-2_543259ba-9554-46e4-99ce-be4fdb3abdef.png?v=1683731461"},{"product_id":"copy-of-stone-exhaust-bmw-b58d-g20-g21-cat-back-valvetronic-exhaust-system-non-opf-m340i-m340i-xdrive","title":"Stone Exhaust Cat-Back Valvetronic Exhaust System - OPF BMW B58TU G20 G21 (M340i \u0026 M340i xDrive)","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the state of the art Stone Exhaust Valvetronic Cat-Back Exhaust System, to enhance the performance and sound of your BMW G20 Sedan M340i \u0026amp; G21 Touring M340i Drive with the B58D engine, manufactured after 2018. Stone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With their in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe Cat-Back Valvetronic System comes with a separate remote controller that gives you full control of the exhaust, allowing you to open and close the valves with a click of a button. You can also set it in auto mode for the valves to open at a certain rpm automatically. The Stone Valvetronic system is a plug and play system, and connects to your OBDII port, which can be installed within a few minutes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eStone Valvetronic System Installation \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/V5c4VEyO1EM\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eValvetronic System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOPF Exhaust Design\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003eRemote Control with On \/ Off \/ Auto settings \u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eBMW B58D G21 M340i xDrive with Stone Exhaust Eddy Catalytic DP + Valvetronic Cat-back System sound\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/3smyzk_ZBcY\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eFitted Photo(s) - \u003cspan data-mce-fragment=\"1\"\u003eDual Exit with Quad Tailpipes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B58D_G20_G21_Cat-Back_Valvetronic_Exhaust_System_GPF_M340i_M340i_xDriveStone_Exhaust_USA_600x600.png?v=1603700676\" alt=\"Stone Exhaust BMW B58D G20 G21 Cat-Back Valvetronic Exhaust System GPF (M340i \u0026amp; M340i xDrive) | Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B58D_G20_G21_Cat-Back_Valvetronic_Exhaust_System_GPF_M340i_M340i_xDriveStone_Exhaust_USA-1_600x600.png?v=1603700704\" alt=\"Stone Exhaust BMW B58D G20 G21 Cat-Back Valvetronic Exhaust System GPF (M340i \u0026amp; M340i xDrive) | Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B58D_G20_G21_Cat-Back_Valvetronic_Exhaust_System_GPF_M340i_M340i_xDriveStone_Exhaust_USA-2_600x600.png?v=1603700741\" alt=\"Stone Exhaust BMW B58D G20 G21 Cat-Back Valvetronic Exhaust System GPF (M340i \u0026amp; M340i xDrive) | Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B58D_G20_G21_Cat-Back_Valvetronic_Exhaust_System_GPF_M340i_M340i_xDriveStone_Exhaust_USA-5_600x600.png?v=1603700785\" alt=\"Stone Exhaust BMW B58D G20 G21 Cat-Back Valvetronic Exhaust System GPF (M340i \u0026amp; M340i xDrive) | Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B58D_G20_G21_Cat-Back_Valvetronic_Exhaust_System_GPF_M340i_M340i_xDriveStone_Exhaust_USA-6_600x600.png?v=1603700817\" alt=\"Stone Exhaust BMW B58D G20 G21 Cat-Back Valvetronic Exhaust System GPF (M340i \u0026amp; M340i xDrive) | Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B58D_G20_G21_Cat-Back_Valvetronic_Exhaust_System_GPF_M340i_M340i_xDriveStone_Exhaust_USA-7_600x600.png?v=1603700847\" alt=\"Stone Exhaust BMW B58D G20 G21 Cat-Back Valvetronic Exhaust System GPF (M340i \u0026amp; M340i xDrive) | Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B58D_G20_G21_Cat-Back_Valvetronic_Exhaust_System_GPF_M340i_M340i_xDriveStone_Exhaust_USA-8_600x600.png?v=1603700878\" alt=\"Stone Exhaust BMW B58D G20 G21 Cat-Back Valvetronic Exhaust System GPF (M340i \u0026amp; M340i xDrive) | Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B58D Exhaust System found on the G20, G21, M340i \u0026amp; M340i xDrive. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW B58D G21 M340i xDrive with Stone Exhaust 3D Scanning\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/ckY2zLuNB58\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValvetronic System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stone Valvetronic System was independently researched and developed in house. The system forgoes the conventional design of complicated wiring and the rubber inside the valve which is prone to aging, to ensure longevity.\u003c\/p\u003e\n\u003cp\u003eWith the Valvetronic remote control providing three modes to choose from: ON \/ OFF \/ AUTO, this allows for instant switching between modes in accordance to driving conditions faced. So, let the STONE Valvetronic System adapt to your vehicle’s needs.\u003c\/p\u003e\n\u003cp\u003eThe Valvetronic remote control has 3 modes, ON \/ OFF \/ AUTO, which allows you to open and close the valve at a click of a button. The Auto mode allows customization of the opening and closing of the valve at a predefined RPM.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Valvetronic System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/valvetronic_4bbd64f4-a300-4728-beae-be9da6be047f_480x480.png?v=1619576730\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B58D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 340i\/\u003cspan\u003e340i xDrive\u003c\/span\u003e\u003cspan\u003e (2018-2020)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eG21 \u003cspan\u003e340i xDrive\u003c\/span\u003e (2018-2020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eAP546NBSQ (\u003cspan\u003eDual Exit with Quad Tailpipes \/ Require M Sport Bumper\u003c\/span\u003e)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Dual Exit with Quad Tailpipes \/ Require M Sport Bumper \/ Flat Cut Gloss Carbon Fiber (102mm)","offer_id":45122513928508,"sku":"AP546BNS-1020CG","price":4816.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/1020CG_FlatCutGlossCarbonFibre_102mm-2_84f9b84f-5911-4fe4-8df1-a8af2a7b9300.png?v=1683731466"},{"product_id":"copy-of-stone-exhaust-bmw-b48d-g20-g21-320i-oem-integrated-valve-catback-exhaust-system-opf-model","title":"Stone Exhaust Catback Exhaust System - OPF Model BMW B46\/B46D\/B48D G20 G21 (Inc. 320i \u0026 420i)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the state of the art \u003cspan data-mce-fragment=\"1\"\u003eStone OEM Integrated Valve Catback Exhaust\u003c\/span\u003e, to enhance the performance and sound of your BMW G20 Sedan 320i \u0026amp; G21 Touring 320i with the B48D engine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With our in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe OEM Integred Valve option allows your exhuast system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eOEM Integrated Valve\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eSystem\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable to add-on Stone Valvetronic System\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48D Exhaust System found on the G20 \u0026amp; G21 320i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B46 \/ B46D \/ B48D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 320i  (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 320i  (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22 420i(x) (2020+)\u003c\/li\u003e\n\u003cli\u003eG23 420i(X (2020+)\u003c\/li\u003e\n\u003cli\u003eG26 420i(x) (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eAP544BG (Dual Exit with Twin Tailpipes \/ Require Original Bumper)\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Flat Cut Gloss Carbon Fiber (102mm)","offer_id":45122514092348,"sku":"AP544AG-1020CG","price":3511.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/BMWB48DG20G21320i_Cat-BackValvetronicExhaustSystem_OPFModel_1_2_a57e2505-636b-4dc6-994a-42217bb7258e.png?v=1683731471"},{"product_id":"copy-of-stone-exhaust-bmw-b48d-g20-g21-320i-cat-back-valvetronic-exhaust-system-opf-model","title":"Stone Exhaust Cat-Back Valvetronic Exhaust System BMW B48 G20 G21 320i (Non OPF Model)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the state of the art Stone Exhaust Valvetronic Cat-Back Exhaust System, to enhance the performance and sound of your BMW G20 Sedan 320i \u0026amp; G21 Touring 320i with the B48 engine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With our in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe Cat-Back Valvetronic System comes with a separate remote controller that gives you full control of the exhaust, allowing you to open and close the valves with a click of a button. You can also set it in auto mode for the valves to open at a certain rpm automatically. The Stone Valvetronic system is a plug and play system, and connects to your OBDII port, which can be installed within a few minutes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eStone Valvetronic System Installation \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/V5c4VEyO1EM\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eValvetronic System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote Control with On \/ Off \/ Auto settings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48 Exhaust System found on the G20 \u0026amp; G21 320i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValvetronic System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stone Valvetronic System was independently researched and developed in house. The system forgoes the conventional design of complicated wiring and the rubber inside the valve which is prone to aging, to ensure longevity.\u003c\/p\u003e\n\u003cp\u003eWith the Valvetronic remote control providing three modes to choose from: ON \/ OFF \/ AUTO, this allows for instant switching between modes in accordance to driving conditions faced. So, let the STONE Valvetronic System adapt to your vehicle’s needs.\u003c\/p\u003e\n\u003cp\u003eThe Valvetronic remote control has 3 modes, ON \/ OFF \/ AUTO, which allows you to open and close the valve at a click of a button. The Auto mode allows customization of the opening and closing of the valve at a predefined RPM.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Valvetronic System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/valvetronic_4bbd64f4-a300-4728-beae-be9da6be047f_480x480.png?v=1619576730\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 320i  (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 320i  (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eAP544SQ (Dual Exit with Quad Tailpipes \/ Require M Sport Bumper)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Dual Exit with Quad Tailpipes \/ Require M Sport Bumper \/ Flat Cut Gloss Carbon Fiber (102mm)","offer_id":45122514157884,"sku":"AP544SQ-1020CG","price":3940.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/1020CG_FlatCutGlossCarbonFibre_102mm-2_9e3af8ca-e595-47ae-bc6b-f8a1da6c6cbb.png?v=1683731476"},{"product_id":"stone-exhaust-bmw-b48x-g20-330e-catless-downpipe","title":"Stone Exhaust Catless Downpipe BMW B48X G20 330e","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust employs state of the art 3D flow velocity measurement software and the technique of a one-piece mandrel bent pipe design. Using mechanical welding arms to accurately weld stops ash generating in the pipe wall which can cause vapor lock and poor exhaust efficiency. Stone Exhaust’s innovative manufacturing process of the catless downpipe prevents multiple welding positions and vapor lock whilst maximizing efficiency of the exhaust turbine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures  \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCatless downpipe for G20 330e with B48X engine.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eCrisscross welding to strengthen turbo flange\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003eMachine Welding\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e100% OEM Fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e  \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\nStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the BMW B48X G20 330e.\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e \u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48X Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 330e (2018-2019)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA216NP\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122514780476,"sku":"A216NP","price":1094.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB48XG20330eCatlessDownpipe.png?v=1683731486"},{"product_id":"stone-exhaust-bmw-b48x-g20-300e-eddy-catalytic-downpipe","title":"Stone Exhaust Eddy Catalytic Downpipe BMW B48 G20 330e","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cdiv\u003eMeet the latest patented technology that adheres to the world's increasingly stringent environmental regulations, at the same time enhances performance to another level on your BMW B48X G20 300e. In comparison to commercially available linear frustums, the \"eddy catalytic technology\" adopts an arc-packaging method. The turbine emissions process produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of conventional straight downpipes, the patented eddy catalytic technology can effectively increase horsepower and torque. In the lower rpm you will be immerse with vast amount of torque until you reach higher rpm where the vortex effect really comes to life and opens up the Catalytic, resulting in a performance similar to a 100 CELL Catalytic. However in the lower rpm, the catalytic will produce efficient and clean emission similar to a 400CEL Catalytic and produce no Check Engine Lights, completely error free.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003cspan data-mce-fragment=\"1\"\u003eSTONE Exhaust's Eddy Catalytic Downpipe utilizes their patented \"eddy catalytic technology\" which adopts an arc-packaging method. With its unique internal design, the downpipe produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of horsepower tests and straight downpipes, STONE's eddy catalytic technology can effectively increase horsepower and torque.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePatented O2 sensor technology design provides real-time data performance by accurately sensing every rotating displacement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo more delayed in power delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUsing one of the rare noble metal to help efficiently filter out exhaust gas.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eComputer simulation to obtain the best diameter\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecial 3D design to achieve 100% OEM fitment, no modification required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSUS304 Premium Grade Stainless steel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDual Cross-Welding Technology providing substantial increase durability at the t\u003c\/span\u003e\u003cspan\u003eurbo Flange.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48X engine Exhaust Systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art. \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArt of Welding\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Art of Welding | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_ExhaustDownpipe_Welding_S4_S5_-4_2048x2048_600x600_ee7fc256-8d0c-47fc-bdb7-7ac9438345f0_480x480.png?v=1619578343\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48X Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 330e (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eA216NE\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122516451644,"sku":"A216NE","price":1970.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB48XG20300eEddyCatalyticDownpipe.png?v=1683731489"},{"product_id":"stone-exhaust-bmw-b48d-g20-g21-eddy-catalytic-downpipe-inc-320-330i-opf-model","title":"Stone Exhaust Eddy Catalytic Downpipe BMW B48D G20 G21 G22 G23 (Inc. 320, 330i, 420i \u0026 430i \/ OPF Model)","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cdiv\u003eMeet the latest patented technology that adheres to the world's increasingly stringent environmental regulations, at the same time enhances performance to another level on your BMW G20, G21, G22 \u0026amp; G23 320, 330i, 420i \u0026amp; 430i. In comparison to commercially available linear frustums, the \"eddy catalytic technology\" adopts an arc-packaging method. The turbine emissions process produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of conventional straight downpipes, the patented eddy catalytic technology can effectively increase horsepower and torque. In the lower rpm you will be immerse with vast amount of torque until you reach higher rpm where the vortex effect really comes to life and opens up the Catalytic, resulting in a performance similar to a 100 CELL Catalytic. However in the lower rpm, the catalytic will produce efficient and clean emission similar to a 400CEL Catalytic and produce no Check Engine Lights, completely error free.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003cspan data-mce-fragment=\"1\"\u003eSTONE Exhaust's Eddy Catalytic Downpipe utilizes their patented \"eddy catalytic technology\" which adopts an arc-packaging method. With its unique internal design, the downpipe produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of horsepower tests and straight downpipes, STONE's eddy catalytic technology can effectively increase horsepower and torque.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePatented O2 sensor technology design provides real-time data performance by accurately sensing every rotating displacement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo more delayed in power delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUsing one of the rare noble metal to help efficiently filter out exhaust gas.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eComputer simulation to obtain the best diameter\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecial 3D design to achieve 100% OEM fitment, no modification required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSUS304 Premium Grade Stainless steel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDual Cross-Welding Technology providing substantial increase durability at the t\u003c\/span\u003e\u003cspan\u003eurbo Flange.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e  \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48D Exhaust System found on the BMW G20, G21, G22 \u0026amp; G23 320, 330i, 420i \u0026amp; 430i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArt of Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Art of Welding | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_ExhaustDownpipe_Welding_S4_S5_-4_2048x2048_600x600_ee7fc256-8d0c-47fc-bdb7-7ac9438345f0_480x480.png?v=1619578343\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW Z Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG29 Z4 20\/30i (2019+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20\/G21 320i (2019+)\u003c\/li\u003e\n\u003cli\u003eG20\/G21 330i\/330i xDrive (2017+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22 420\/430i(x)  (2020+)\u003c\/li\u003e\n\u003cli\u003eG23 420\/430i(X)  (2020+)\u003c\/li\u003e\n\u003cli\u003eG26 420\/430i(x)  (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\" id=\"info\"\u003e \u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eA218E\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122517729596,"sku":"A218E","price":1970.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/20200522121727289_7bcfc808-0880-4870-bb76-9c378366609b-2.png?v=1683731492"},{"product_id":"stone-exhaust-bmw-b48d-g20-g21-catless-downpipes-inc-320-330i-opf-model","title":"Stone Exhaust Catless Downpipe BMW B48D G20 G21 G22 G23 (Inc. 320, 330i, 420i \u0026 430i \/ OPF Model)","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp\u003eStone Exhaust employs state of the art 3D flow velocity measurement software and the technique of a one-piece mandrel bent pipe design. Using mechanical welding arms to accurately weld stops ash generating in the pipe wall which can cause vapor lock and poor exhaust efficiency. Stone Exhaust’s innovative manufacturing process of the catless downpipe prevents multiple welding positions and vapor lock whilst maximizing efficiency of the exhaust turbine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCatless downpipe for 320, 330i, 420i \u0026amp; 430i with B48D engine.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eUnique Flex design to prevent breakage caused by extreme heat \u003c\/li\u003e\n\u003cli\u003eCrisscross welding to strengthen turbo flange\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003eMachine Welding\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e100% OEM Fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48D Exhaust Systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW Z Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG29 Z4 20\/30i (2019+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20\/G21 320i (2019+)\u003c\/li\u003e\n\u003cli\u003eG20\/G21 330i\/330i xDrive (2017+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22 420\/430i(x)  (2020+)\u003c\/li\u003e\n\u003cli\u003eG23 420\/430i(X)  (2020+)\u003c\/li\u003e\n\u003cli\u003eG26 420\/430i(x)  (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\" id=\"info\"\u003e \u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eA218P\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and systems, especially as those parts and systems modify, remove, or replace original equipment catalysts. Please consult the appropriate laws in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those law.\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122517827900,"sku":"A218P","price":1094.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB48D_B46DG20G29G30CatlessDownpipes_Inc.320_330i_530i_Z420i_Z430iOPFModel_-1_3e52211c-f4f2-4331-962a-5f1c0269e7c5-2.png?v=1683731496"},{"product_id":"stone-exhaust-bmw-b48d-g20-g21-320i-cat-back-valvetronic-exhaust-system-opf-model","title":"Stone Exhaust Cat Back Exhaust BMW B48 G20 G21 320i (Non OPF Model)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the state of the art \u003cspan data-mce-fragment=\"1\"\u003eStone OEM Integrated Valve Catback Exhaust\u003c\/span\u003e, to enhance the performance and sound of your BMW G20 Sedan 320i \u0026amp; G21 Touring 320i with the B48 engine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With our in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe OEM Integrated Valve option allows your exhaust system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Integration \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable to add-on Stone Valvetronic System\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48 Exhaust System found on the G20 \u0026amp; G21 320i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 320i  (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 320i  (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eAP544 (Dual Exit with Twin Tailpipes \/ Require Original Bumper)\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Dual Exit with Twin Tailpipes \/ Require Original Bumper \/ Flat Cut Gloss Carbon Fiber (102mm)","offer_id":45122517991740,"sku":"AP544-1020CG","price":2846.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/BMWB48DG20G21320i_Cat-BackValvetronicExhaustSystem_OPFModel_1_2.png?v=1683731502"},{"product_id":"stone-exhaust-bmw-b48d-b46d-g20-g29-g30-catless-downpipes-inc-320-330i-530i-z4-20i-z4-30i-opf-model","title":"Stone Exhaust Catless Downpipes BMW B46D G20 G22 G30 (Inc. 320, 330i, 530ix \u0026 X3 20i \/ OPF Model)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp\u003eStone Exhaust employs state of the art 3D flow velocity measurement software and the technique of a one-piece mandrel bent pipe design. Using mechanical welding arms to accurately weld stops ash generating in the pipe wall which can cause vapor lock and poor exhaust efficiency. Stone Exhaust’s innovative manufacturing process of the catless downpipe prevents multiple welding positions and vapor lock whilst maximizing efficiency of the exhaust turbine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCatless downpipe for 320, 330i, 530ix \u0026amp; X3 20i with B46D engine.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eUnique Flex design to prevent breakage caused by extreme heat \u003c\/li\u003e\n\u003cli\u003eCrisscross welding to strengthen turbo flange\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003eMachine Welding\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e100% OEM Fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B46D Exhaust Systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B46D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 320i(x)\/330i(x)  (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 320i(x)\/330i(x)  (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22 420i(x)\/430i(x)  (2020+)\u003c\/li\u003e\n\u003cli\u003eG23 420i(X)\/\u003cspan data-mce-fragment=\"1\"\u003e430i(x)\u003c\/span\u003e  (2020+)\u003c\/li\u003e\n\u003cli\u003eG26 420i(x)\/\u003cspan data-mce-fragment=\"1\"\u003e430i(x)\u003c\/span\u003e  (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 5 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eG30 530ix (2019+)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBMW X Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG01 X3 20\u003cspan data-mce-fragment=\"1\"\u003ei(x)\/30i(x)\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2017+)\u003c\/li\u003e\n\u003cli\u003eG02 X4 20\u003cspan data-mce-fragment=\"1\"\u003ei(x)\/30i(x)\u003c\/span\u003e (2017+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv id=\"info\" class=\"style-scope ytd-video-primary-info-renderer\"\u003e \u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eA224NP\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp\u003e\u003cstrong\u003eDimension \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e70cm x 20m x 18cm \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2.21 kg \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and systems, especially as those parts and systems modify, remove, or replace original equipment catalysts. Please consult the appropriate laws in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those law.\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122521858364,"sku":"A224NP","price":1094.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB48D_B46DG20G29G30CatlessDownpipes_Inc.320_330i_530i_Z420i_Z430iOPFModel_-1_6f5d54b8-f675-4f90-8f27-49e5c147f38f.png?v=1683731585"},{"product_id":"stone-exhaust-bmw-b48d-b46d-g20-g29-g30-eddy-catalytic-downpipe-inc-320-330i-530i-z4-20i-z4-30i-opf-model","title":"Stone Exhaust Eddy Catalytic Downpipe BMW B46D G20 G22 G30 (Inc. 320, 330i, 530ix \u0026 X3 20i \/ OPF Model)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cdiv\u003eMeet the latest patented technology that adheres to the world's increasingly stringent environmental regulations, at the same time enhances performance to another level on your BMW B46D \u0026amp; B48D 320, 330i, 530i, Z4 20i \u0026amp; Z4 30i. In comparison to commercially available linear frustums, the \"eddy catalytic technology\" adopts an arc-packaging method. The turbine emissions process produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of conventional straight downpipes, the patented eddy catalytic technology can effectively increase horsepower and torque. In the lower rpm you will be immerse with vast amount of torque until you reach higher rpm where the vortex effect really comes to life and opens up the Catalytic, resulting in a performance similar to a 100 CELL Catalytic. However in the lower rpm, the catalytic will produce efficient and clean emission similar to a 400CEL Catalytic and produce no Check Engine Lights, completely error free.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSTONE Exhaust's Eddy Catalytic Downpipe utilizes their patented \"eddy catalytic technology\" which adopts an arc-packaging method. With its unique internal design, the downpipe produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of horsepower tests and straight downpipes, STONE's eddy catalytic technology can effectively increase horsepower and torque.\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePatented O2 sensor technology design provides real-time data performance by accurately sensing every rotating displacement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo more delayed in power delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUsing one of the rare noble metal to help efficiently filter out exhaust gas.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eComputer simulation to obtain the best diameter\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecial 3D design to achieve 100% OEM fitment, no modification required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSUS304 Premium Grade Stainless steel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDual Cross-Welding Technology providing substantial increase durability at the t\u003c\/span\u003e\u003cspan\u003eurbo Flange.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e  \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B46D Exhaust System found on the BMW B46D G20, G22, G30 320, 330i, 530ix \u0026amp;  X3 20i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e \u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArt of Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_ExhaustDownpipe_Welding_S4_S5_-4_2048x2048_600x600_ee7fc256-8d0c-47fc-bdb7-7ac9438345f0_480x480.png?v=1619578343\" alt=\"Art of Welding | Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B46D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 320i(x)\/330i(x)  (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 320i(x)\/330i(x)  (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22 420i(x)\/430i(x)  (2020+)\u003c\/li\u003e\n\u003cli\u003eG23 420i(X)\/\u003cspan data-mce-fragment=\"1\"\u003e430i(x)\u003c\/span\u003e  (2020+)\u003c\/li\u003e\n\u003cli\u003eG26 420i(x)\/\u003cspan data-mce-fragment=\"1\"\u003e430i(x)\u003c\/span\u003e  (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 5 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eG30 530ix (2019+)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBMW X Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG01 X3 20\u003cspan data-mce-fragment=\"1\"\u003ei(x)\/30i(x)\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2017+)\u003c\/li\u003e\n\u003cli\u003eG02 X4 20\u003cspan data-mce-fragment=\"1\"\u003ei(x)\/30i(x)\u003c\/span\u003e (2017+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv id=\"info\" class=\"style-scope ytd-video-primary-info-renderer\"\u003e \u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eA224NE\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimension \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e70cm x 20cm x 18cm \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e4.16 kg \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122522186044,"sku":"A224NE","price":1970.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/BMWB46DG20G29G30_EddyCatalyticDownpipe1.png?v=1683731588"},{"product_id":"stone-exhaust-bmw-toyota-b58d-eddy-catalytic-downpipe-gpf-inc-a90-supra-g20-m340i-g20-m340i-xdrive","title":"Stone Exhaust Eddy Catalytic Downpipe GPF BMW Toyota B58TU (Inc. A90 Supra, G29 Z4 M40i, G20 M340i \u0026 G20 M340i xDrive)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cdiv\u003eMeet the latest patented technology that adheres to the world's increasingly stringent environmental regulations, at the same time enhances performance to another level on your BMW G20, G21, G29  Z4 M40i, M340i \u0026amp; M340i xDrive and Toyota A90 Supra with B58D engine. In comparison to commercially available linear frustums, the \"eddy catalytic technology\" adopts an arc-packaging method. The turbine emissions process produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of conventional straight downpipes, the patented eddy catalytic technology can effectively increase horsepower and torque. In the lower rpm you will be immerse with vast amount of torque until you reach higher rpm where the vortex effect really comes to life and opens up the Catalytic, resulting in a performance similar to a 100 CELL Catalytic. However in the lower rpm, the catalytic will produce efficient and clean emission similar to a 400CEL Catalytic and produce no Check Engine Lights, completely error free.\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSTONE Exhaust's Eddy Catalytic Downpipe utilizes their patented \"eddy catalytic technology\" which adopts an arc-packaging method. With its unique internal design, the downpipe produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of horsepower tests and straight downpipes, STONE's eddy catalytic technology can effectively increase horsepower and torque.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePatented O2 sensor technology design provides real-time data performance by accurately sensing every rotating displacement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo more delayed in power delivery.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUsing one of the rare noble metal to help efficiently filter out exhaust gas.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComputer simulation to obtain the best diameter.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecial 3D design to achieve 100% OEM fitment, no modification required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSUS304 Premium Grade Stainless steel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDual Cross-Welding Technology providing substantial increase durability at the t\u003c\/span\u003e\u003cspan\u003eurbo Flange.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G29 B58D Z4 M40i \/ Stone Eddy Catted Downpipe\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"1280\" height=\"720\" src=\"https:\/\/www.youtube.com\/embed\/UX29BUit9Ww\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B58D Exhaust System found on the A90 Supra, G29 M40i G20 M340i \u0026amp; G20 M340i xDrive. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArt of Welding\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cimg data-mce-fragment=\"1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_ExhaustDownpipe_Welding_S4_S5_-4_2048x2048_600x600_ee7fc256-8d0c-47fc-bdb7-7ac9438345f0_480x480.png?v=1619578343\" alt=\"Art of Welding | Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B58D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 340i\/340i xDrive (2018-2020)\u003c\/li\u003e\n\u003cli\u003eG21 340i xDrive (2018-2020)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW Z Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG29 Z M40i (2019+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eToyota \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA90 Supra (2020-Present)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122523103548,"sku":"A223E","price":2014.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB58DG20G21EddyCatalyticDownpipeGPF_M340i_M340ixDrive_-1.1.png?v=1683731608"},{"product_id":"stone-exhaust-bmw-toyota-b58d-catless-downpipe-gpf-inc-a90-supra-g20-m340i-g20-m340i-xdrive","title":"Stone Exhaust Catless Downpipe GPF BMW Toyota B58TU (Inc. A90 Supra, G29 Z4 M40i, G20 M340i \u0026 G20 M340i xDrive)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust employs state of the art 3D flow velocity measurement software and the technique of a one-piece mandrel bent pipe design. Using mechanical welding arms to accurately weld stops ash generating in the pipe wall which can cause vapor lock and poor exhaust efficiency. Stone Exhaust’s innovative manufacturing process of the catless downpipe prevents multiple welding positions and vapor lock whilst maximizing efficiency of the exhaust turbine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCatless downpipe for A90 Supra, G29 Z4 M40i, G20 M340i \u0026amp; G20 M340i xDrive (GPF)\u003c\/li\u003e\n\u003cli\u003eFlex design to prevent breakage caused by extreme heat \u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eCrisscross welding to strengthen turbo flange\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003eMachine Welding\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e100% OEM Fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B58D Exhaust System found on the A90 Supra, G20 M340i \u0026amp; G20 M340i xDrive. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B58D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 340i\/340i xDrive (2018+)\u003c\/li\u003e\n\u003cli\u003eG21 340i xDrive (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBMW Z Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG29 Z M40i (2019+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eToyota \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA90 Supra (2020-Present)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eA223P\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122523332924,"sku":"A223P","price":1138.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB58DG20G21CatlessDownpipeGPF_M340i_M340ixDrive_-1.1.png?v=1683731611"},{"product_id":"stone-exhaust-bmw-b48d-b46d-g20-g21-330i-cat-back-valvetronic-exhaust-system-opf-modle","title":"Stone Exhaust Cat-Back Exhaust BMW B46\/B48 G20 G21 G22 G23 330i \u0026 430i (OPF Model)","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the state of the art Stone Exhaust Valvetronic Cat-Back Exhaust System, to enhance the performance and sound of your BMW G20 Sedan 330i \u0026amp; G21 Touring 330i \u0026amp; G22 Coupe 430i \u0026amp; G23 Convertible 430i with the B48D engine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With our in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe OEM Integred Valves(s) option allows your exhuast system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Integration\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable to add-on Stone Valvetronic System\u003c\/li\u003e\n\u003cli\u003eOPF Model\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eFitted Photo(s) - Dual Exit with Twin Tailpipes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48D G20 G21 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-1_600x600.png?v=1591619032\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-1_600x600.png?v=1591619032\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48D G20 G21 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-2_600x600.png?v=1591619041\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-2_600x600.png?v=1591619041\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48D G20 G21 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-3_600x600.png?v=1591619048\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-3_600x600.png?v=1591619048\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48D G20 G21 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-4_600x600.png?v=1591619121\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_BMW_B48D_G20_G21_330i_Cat-Back_Valvetronic_Exhaust_System_Stone_Exhaust_USA_-4_600x600.png?v=1591619121\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48D Exhaust System found on the 330i \u0026amp; 430i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" data-mce-style=\"float: none;\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B46 \/ B46D \/ B48D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 330i\/330i xDrive (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 \u003cspan\u003e330i\/330i xDrive\u003c\/span\u003e (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22 430i\/430i xDrive (2020+)\u003c\/li\u003e\n\u003cli\u003eG23\u003cspan\u003e 4\u003c\/span\u003e\u003cspan\u003e30i\/430i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2020+)\u003c\/li\u003e\n\u003cli\u003eG26 \u003cspan data-mce-fragment=\"1\"\u003e4\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e30i\/430i xDrive\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e(2020+)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAP537AG (OEM Integrated Valve \/ Dual Exit with Twin Tailpipes \/ Require Original Bumper)\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"OEM Integrated Valve(s) \/ Flat Cut Gloss Carbon Fiber (102mm)","offer_id":45122523365692,"sku":"AP537AG-1020CG","price":2846.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/BMWB48DG20G21330i_Cat-BackValvetronicExhaustSystem1_02f70df4-a23d-43b4-b916-d7f8747b53af-2.png?v=1683731617"},{"product_id":"stone-exhaust-bmw-b58d-g20-g21-cat-back-valvetronic-exhaust-system-gpf-m340i-m340i-xdrive","title":"Stone Exhaust Valved Catback Exhaust System - OPF Model BMW B58D G20 G21 (M340i \u0026 M340i xDrive)","description":"\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to th\u003cspan data-mce-fragment=\"1\"\u003eStone OEM Integrated Valve Catback Exhaust\u003c\/span\u003e, to enhance the performance and sound of your BMW G20 Sedan M340i \u0026amp; G21 Touring M340i Drive with the B58D engine, manufactured after 2018. Stone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With their in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe OEM Integrated Valves option allows your exhaust system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Integration\u003c\/li\u003e\n\u003cli\u003eAvailable to add-on Stone Valvetronic System\u003c\/li\u003e\n\u003cli\u003eOPF Exhaust Design\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B58D Exhaust System found on the G20, G21, M340i \u0026amp; M340i xDrive. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW B58D G21 M340i xDrive with Stone Exhaust 3D Scanning\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ckY2zLuNB58\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B58D Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 M340i\/M\u003cspan\u003e340i xDrive\u003c\/span\u003e\u003cspan\u003e (2018-2020)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eG21 M\u003cspan\u003e340i xDrive\u003c\/span\u003e (2018-2020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAP546NB\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Dual Exit with Twin Tailpipes \/ Require Original Bumper","offer_id":45122524381500,"sku":"AP546NB","price":3284.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/StoneExhaustBMWB58DG20G21OEMIntegratedValveCatbackExhaustSystem-OPF_M340i_M340ixDrive.png?v=1683731638"},{"product_id":"stone-exhaust-bmw-b48-g20-g21-320i-330i-cat-back-valvetronic-exhaust-system-non-opf-model","title":"Stone Exhaust Valved Catback Exhaust - Dual Exit with Twin Tailpipes BMW B48 G20 G21 G22 G23 330i \u0026 430i","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003eWe are proud to introduce you to the state of the art \u003cspan data-mce-fragment=\"1\"\u003eOEM Integrated Valve Catback Exhaust\u003c\/span\u003e, to enhance the performance and sound of your BMW G20 Sedan 320i \/ 330i \u0026amp; G21 Touring 320i \/ 330i with the B48 engine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With our in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eThe OEM Integrated Valves(s) option allows your exhaust system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Integration \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptional Stone Valvetronic System available\u003c\/li\u003e\n\u003cli\u003ePlug and Play OBDII controller\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical Welding with Precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno Developed In House\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates drone found on the standard exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eBMW B48 G20 330i with Stone Exhaust Valvetronic Cat-back System Sound\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/q1CgIH8tkm4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eBMW B48 330i with Stone Exhaust Eddy Catalytic DP + Valvetronic Cat-Back Exhaust System\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/bNcWGDGNDXE\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eFitted Photo(s) - Dual Exit with Twin Tailpipes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled_cb05fe2a-2b5c-4404-b6d5-1749f3b40594_600x600.png?v=1588216786\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled1_8b62c3e8-3956-4314-9eee-24dcb654933a_600x600.png?v=1588216802\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled2_ecd3804f-1ef3-40cb-88c2-98c1bb158d6d_600x600.png?v=1588216813\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled3_c05f9075-6636-4dda-8fba-82f10c51d0c5_600x600.png?v=1588216828\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled4_6432de6d-99f0-4c66-9071-4b45fc988e06_600x600.png?v=1588216842\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled5_a94958aa-8ef8-40ac-a259-e159545d4d93_600x600.png?v=1588216860\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled6_80b6ea56-ef9d-4b72-aef8-e14fb1297e9b_600x600.png?v=1588216874\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 330i Cat-Back Valvetronic Exhaust System | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled7_f5d783bc-4242-4e15-96e6-7c97f3e64402_600x600.png?v=1588216885\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48 Exhaust System found on the BMW G20, G21, 320i, 330i. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 330i \/ \u003cspan data-mce-fragment=\"1\"\u003e330i xDrive\u003c\/span\u003e (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 \u003cspan\u003e330i \/ 330i xDrive\u003c\/span\u003e (2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 4 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG22\u003cspan\u003e 4\u003c\/span\u003e30i \/ 4\u003cspan data-mce-fragment=\"1\"\u003e30i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2020+)\u003c\/li\u003e\n\u003cli\u003eG23\u003cspan\u003e 4\u003c\/span\u003e\u003cspan\u003e30i \/ 430i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2020+)\u003c\/li\u003e\n\u003cli\u003eG26\u003cspan\u003e 4\u003c\/span\u003e\u003cspan\u003e30i \/\u003cspan\u003e \u003c\/span\u003e430i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003eAP537 (\u003cspan data-mce-fragment=\"1\"\u003eDual Exit with Twin Tailpipes \/ Require Original Bumper\u003c\/span\u003e)\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those \u003c\/span\u003e\u003c\/span\u003elaws.\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cdiv class=\"style-scope ytd-video-primary-info-renderer\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003carticle class=\"unreset\" data-scroll-scope=\"\"\u003e\u003cspan\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are residing in Europe, Stone’s cat-back exhausts are OPF-compatible, which means you won’t need to code out the OPF or worry about losing your warranty.\u003c\/span\u003e\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Flat Cut Gloss Carbon Fiber (102mm)","offer_id":45122527723836,"sku":"AP537-1020CG","price":2846.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/BMWB48G20G21320i_330i_Cat-BackValvetronicExhaustSystem_NonOPFModel_1_2.png?v=1683731674"},{"product_id":"stone-exhaust-bmw-b48-g20-g30-g31-catless-downpipe-320i-330i-520i-530i-x4-20i-xdrive-x4-30i-xdrive-non-opf-model","title":"Stone Exhaust Catless Downpipe BMW B48 G20 G30 G31 (Inc. 320i, 330i, 520i, 530i, X4 20i xDrive \u0026 X4 30i xDrive \/ Non OPF Model)","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003eStone Exhaust employs state of the art 3D flow velocity measurement software and the technique of a one-piece mandrel bent pipe design. Using mechanical welding arms to accurately weld stops ash generating in the pipe wall which can cause vapor lock and poor exhaust efficiency. Stone Exhaust’s innovative manufacturing process of the catless downpipe prevents multiple welding positions and vapor lock whilst maximizing efficiency of the exhaust turbine.\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures  \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCatless downpipe for 320i, 330i, 520i, 530i, X4 20i xDrive \u0026amp; X4 30i xDrive with B48 engine.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eCrisscross welding to strengthen turbo flange\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne Piece Design\u003c\/li\u003e\n\u003cli\u003eMachine Welding\u003c\/li\u003e\n\u003cli\u003eIn House Research and Development\u003c\/li\u003e\n\u003cli\u003e3D Scanning \u0026amp; Reverse Engineering\u003c\/li\u003e\n\u003cli\u003e100% OEM Fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eStock V.S Stone Exhaust Catless Downpipe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 G30 G31 Catless Downpipe (330i, 520i \u0026amp; 530i) | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled_1e48206d-a6f0-47a7-acc1-8d3e211f815c_600x600.png?v=1588593940\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eFitted Photo(s)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 G30 G31 Catless Downpipe (330i, 520i \u0026amp; 530i) | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled1_b1ca6ebd-cc36-4cb7-8129-88597e3a10a2_600x600.png?v=1588593952\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 G20 G30 G31 Catless Downpipe (330i, 520i \u0026amp; 530i) | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled2_c60353a1-b5ca-4038-9319-b45d81f4cdce_600x600.png?v=1588593962\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPF Delete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eStone offers an OPF delete, which can be included free of charge, this allows you to install the Stone Cat-Back exhaust system on OPF equipped cars without throwing an error code, thus coding out the OPF error code on the ECU is not required.\u003c\/div\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\nStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the BMW B48 G20, G30, G31, 320i, 330i, 520i \u0026amp; 530i.\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e \u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\"\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/article\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 320i \/ 330i (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 320i \/ \u003cspan\u003e330i \/ 330i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 5 Series\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG30 520i (2016-2019)\u003c\/li\u003e\n\u003cli\u003eG30 530i\/530i xDrive (2015-2019)\u003c\/li\u003e\n\u003cli\u003eG31 520i (2016-2019)\u003c\/li\u003e\n\u003cli\u003eG31 \u003cspan\u003e530i\/530i xDrive (2016+-2019)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 6 Series\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG32 630i GT (2017+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 7 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG11 730i (2014-2019)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW X Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eG01 X3 20i xDrive (2017-2018) \/ X3 30i xDrive (2016-2018)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eG02 X4 20i xDrive (2017-2019) \/ \u003c\/span\u003eX4 30i xDrive (\u003cspan data-mce-fragment=\"1\"\u003e2017-2019\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW Z Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eG29 Z4 20i (2019+)\/Z4 30i (2017+) \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA216P\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e   \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122532966716,"sku":"A216P","price":1094.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/BMWB58F20F30F32G02G05G11G30_CatlessDownpipe1_709bb776-db49-4b4f-85ff-76f1076c39c9-2.png?v=1683731802"},{"product_id":"stone-exhaust-bmw-b48-g02-g20-g30-g31-eddy-catalytic-downpipe-320i-330i-520i-530i-x4-20i-x4-30i-non-opf-model","title":"Stone Exhaust Eddy Catalytic Downpipe BMW B48 G02 G20 G30 G31 (Inc. 320i, 330i, 520i, 530i, X4 20i \u0026 X4 30i \/ Non OPF Model)","description":"\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cdiv\u003eMeet the latest patented technology that adheres to the world's increasingly stringent environmental regulations, at the same time enhances performance to another level on your BMW B48 320i, 330i, 520i, 530i, X4 20i \u0026amp; X4 30i. In comparison to commercially available linear frustums, the \"eddy catalytic technology\" adopts an arc-packaging method. The turbine emissions process produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of conventional straight downpipes, the patented eddy catalytic technology can effectively increase horsepower and torque. In the lower rpm you will be immerse with vast amount of torque until you reach higher rpm where the vortex effect really comes to life and opens up the Catalytic, resulting in a performance similar to a 100 CELL Catalytic. However in the lower rpm, the catalytic will produce efficient and clean emission similar to a 400CEL Catalytic and produce no Check Engine Lights, completely error free.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSTONE Exhaust's Eddy Catalytic Downpipe utilizes their patented \"eddy catalytic technology\" which adopts an arc-packaging method. With its unique internal design, the downpipe produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of horsepower tests and straight downpipes, STONE's eddy catalytic technology can effectively increase horsepower and torque.\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePatented O2 sensor technology design provides real-time data performance by accurately sensing every rotating displacement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo more delayed in power delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUsing one of the rare noble metal to help efficiently filter out exhaust gas.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eComputer simulation to obtain the best diameter\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpecial 3D design to achieve 100% OEM fitment, no modification required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSUS304 Premium Grade Stainless steel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDual Cross-Welding Technology providing substantial increase durability at the t\u003c\/span\u003e\u003cspan\u003eurbo Flange.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G20 B48 330i STONE Exhaust Eddy Catalytic Downpipe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/xxFwsW5ZBo8\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitted Photo(s)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg alt=\"Stone Exhaust BMW B48 Eddy Catalytic Downpipe (Inc. G20 \u0026amp; G30 330i 520i \u0026amp; 530i) | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled_da54a9ae-c484-4a30-a5b3-52d5f7a2dbd9_600x600.png?v=1588676240\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 Eddy Catalytic Downpipe (Inc. G20 \u0026amp; G30 330i 520i \u0026amp; 530i) | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled1_9bf067dc-18a9-4ddc-bee8-e676606c3e35_600x600.png?v=1588676251\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust BMW B48 Eddy Catalytic Downpipe (Inc. G20 \u0026amp; G30 330i 520i \u0026amp; 530i) | Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Untitled2_7c25969f-7932-44e5-bb38-3a17b5b1b196_600x600.png?v=1588676259\"\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e  \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003e\u003cstrong\u003eR\u0026amp;D and 3D Scanning\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the B48 engine Exhaust Systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eDuring R\u0026amp;D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cimg alt=\"Stone Exhaust System 3D Scanning Reverse Engineering UK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Axis CNC Bending Machine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\u003c\/ol\u003e\n\u003cp\u003eWith the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180\u003cstrong\u003e°\u003c\/strong\u003e. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending_480x480.png?v=1619575566\" alt=\"7 Axis CNC Bending Machine | Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrisscross and Overlapping Welding Technique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Spot Welding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art. \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Stone Exhaust Art of Welding - Stone Exhaust USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArt of Welding\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_ExhaustDownpipe_Welding_S4_S5_-4_2048x2048_600x600_ee7fc256-8d0c-47fc-bdb7-7ac9438345f0_480x480.png?v=1619578343\" alt=\"Art of Welding | Stone Exhaust USA\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility - B48 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 3 Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG20 320i \/ 330i (2017+)\u003c\/li\u003e\n\u003cli\u003eG21 320i \/ \u003cspan\u003e330i \/ 330i xDrive\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e(2018+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 5 Series\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG30 520i (2016-2019)\u003c\/li\u003e\n\u003cli\u003eG30 530i\/530i xDrive (2015-2019)\u003c\/li\u003e\n\u003cli\u003eG31 520i (2016-2019)\u003c\/li\u003e\n\u003cli\u003eG31 \u003cspan\u003e530i\/530i xDrive (2016+-2019)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 6 Series\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG32 630i GT (2017+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW 7 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eG11 730i (2014-2019)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW X Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eG01 X3 20i xDrive (2017-2018) \/ X3 30i xDrive (2016-2018)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eG02 X4 20i xDrive (2017-2019) \/ \u003c\/span\u003eX4 30i xDrive (\u003cspan data-mce-fragment=\"1\"\u003e2017-2019\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBMW Z Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eG29 Z4 20i (2019+)\/Z4 30i (2017+) \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp class=\"unreset\"\u003e \u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eA216E\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"unreset\"\u003e\u003cspan\u003eStone Exhaust 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eYear Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmission Notice \u003c\/strong\u003e\u003c\/p\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003cspan\u003eVarious U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and system, especially when the stock system is modified, remove, or if you are replacing original catalysts. Please consult the appropriate law department in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those laws.\u003c\/span\u003e\u003c\/article\u003e\n\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e\n\u003carticle data-scroll-scope=\"\" class=\"unreset\"\u003e\u003c\/article\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":45122533818684,"sku":"A216E","price":1970.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/STONE_Exhaust_BMW_B48_Eddy_Catalytic_Downpipe_Inc._G20_G30_330i_530i_1_e2982adf-b817-4c2c-b3ca-bde2260f2138.png?v=1683731809"},{"product_id":"active-autowerke-catted-downpipe-with-gesi-b58-bmw-m240i-m340i-m440i-xdrive-g-chassis","title":"Active Autowerke Catted Downpipe with GESI B58 BMW M240i, M340i, M440i \u0026 xDrive G Chassis","description":"\u003ch2 class=\"western\"\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"4\"\u003eActive Autowerke BMW B58 Catted Downpipe - now includes turbo flange gasket\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"line-height: 115%;\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003cspan style=\"font-family: Liberation Serif, serif;\" face=\"Liberation Serif, serif\"\u003e\u003cspan style=\"font-size: medium;\" size=\"3\"\u003eSHIPPING NOW. Please note that we install the gasket into the downpipe flange as some customers were damaging the gasket on installation.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 115%;\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eBMW introduced a new valvetronic, single turbo version of its direct-injection engine for the later F-Chassis models beginning in 2016 and carried over to the G-chassis models. The Active Autowerke B58 downpipe for the M340i and M440i helps unleash some of the potential that is restricted by the OEM downpipe.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eTurbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the B58 is quite restrictive, which results in slower exhaust gases and slower turbo spool.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eThe Active Autowerke F-Chassis B58 Signature down pipe utilizes 4.5 diameter stainless steel piping in order to provide more power, quicker spool, and extreme durability. It then tapers down to 3.5\" where we've incorporated a stainless flex joint and then down to 80mm to meet the OEM exhaust system. We never drop the diameter less than the stock diameter of 80mm.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eThis variant includes a 4.5\" high flow GESI catalytic converter that will NOT produce a CEL!\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan\u003e\u003cspan size=\"3\"\u003eThe GESiu00ae G-Sport Ultra High Output Catalytic Converter features full 304 stainless steel construction, including the substrate. GESi UHO-Series Catalytic Converters are EPA registered and compliant in 49 states and fully OBD2 compliant, perfect for use on 1996 and newer vehicles. GESiu00a0u00a0proprietary precious metal loading technology ensures greatly reduced emissions, eliminating most \"Check Engine Lights\". These high flow catalytic converters outperform stock converters and provide a reliable solution to the most common catalytic converter problems.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan size=\"3\"\u003eThe GESi UHO-Series Catalytic Converters are rated for engines putting out between 500 and 850 horsepower while maintaining a high flow capacity. The reduced back-pressure from this high flow catalytic converter will allow you to maximize your engines horsepower without the harmful emissions. Say goodbye to Check Engine Lights and failed emissions tests!\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan size=\"3\"\u003ePlease Note: These catalytic converters are not legal for use on vehicles registered in the state of California as a result of California Vehicle Code Section 27156 and 38391.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eNOTE:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003e\u003cspan\u003e \u003c\/span\u003eFederal law prohibits the tampering of an emissions control device. Mobile Source Enforcement Memorandum 1A, allows for aftermarket parts to be used in the repair or replacement of emissions control systems, provided the emissions aren't adversely affected. There is no mention or reference to cell density or converter volume dimension. The GESI catalytic converter will produce emissions that will meet the standards set by the EPA, not CARB.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 class=\"western\"\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eFeatures:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eNO CEL for catalytic efficiency when using this downpipe\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eGESI EPA registered high flow and fully OBD2 compliant\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eCasted upper stainless steel V-Band for precise fitment\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003e4.50\" diameter piping allows for maximum power output\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eQuicker turbo spool\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eRated for 500 to 850 hp applications\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eWithstands up to 1500 F\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eCan reach operational efficiency within 9 seconds of startup\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eEasily bolts-on no cutting or welding required\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eDurable construction from TIG welded 304 stainless steel\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003ePrecise fitment\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eUltra high flow 400 cell per square inch catalyst\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eEPA compliant for use on OBD2 vehicles (1996 and newer)\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eexcept i\u003c\/b\u003en California\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003e304 stainless steel substrate is furnace braised to the mantle for outstanding durability\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eGESi proprietary precious metal loading technology ensures greatly reduced emissions\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eIdeal for Forced Induction Applications with no loss of HP\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eBoth passengers and drivers are safe from harmful emissions and noise\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eCovered by 5 Year \/ 50,000 Mile Warranty (on shell and tube ends) and 2 year \/ 25,000 Mile Warranty on the Catalytic core\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eMade in Miami, Florida\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"western\"\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"4\"\u003eActive Autowerke B58 Signature Downpipe Benefits\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eThe speed of a turbo's impeller wheel is limited by exhaust back pressure. A larger down pipe relieves some of this pressure, resulting in quicker and more efficient spool. With Active Autowerke's Signature downpipe, your B58 can rev quicker, and deliver more horsepower and torque.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eMinimizing back pressure while retaining daily drive-ability was the goal of our B58 downpipe. Owners can now upgrade to a product that is affordable, reliable, and easy to install.u00a0\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eAfter months of research and development, our engineers settled on a 4.5 diameter pipe which utilizes the least number of bends possible. The large volume helps the turbo spool as quickly as possible by eliminating back pressure during spool up. We are ushering in a new era in performance where we maintain air control standards without significant losses in power by using the GESI super high output catalytic converter in our signature downpipe.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003cspan face=\"Liberation Serif, serif\"\u003e\u003cspan size=\"3\"\u003eConstructed entirely from 304 stainless steel with 1.5MM wall thickness, we are confident that you'll be pleased with how robust and durable this down pipe is. Trouble-free installation and a long lifespan ensure that you'll enjoy many miles of performance with your B58!\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":45699856269628,"sku":"11-062","price":1424.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/b58catbracket_143572d2-7ffe-40ae-91c3-fb620db08aeb.webp?v=1751984248"},{"product_id":"mad-b58-5-cattless-downpipe-bmw-240i-340i-440i-supra-x3-x4-f-g","title":"MAD B58 5\" Catless Downpipe BMW 240i\/340i\/440i\/Supra\/X3\/X4 F\/G","description":"\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFREE SHIPPING\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMeet the MAD B58 Fat Boy 5'' catless downpipe.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe MAD 5 inch Catless B58 Downpipe is a high-performance aftermarket upgrade for BMW B58 engine vehicles, designed to increase power and torque while improving exhaust flow. This downpipe is made from premium quality stainless steel and is precision-engineered to fit perfectly with the stock exhaust system, ensuring a seamless installation process.\u003c\/p\u003e\n\u003cp\u003eWith a 5 inch diameter, this downpipe provides unrestricted exhaust flow, which reduces backpressure and increases horsepower and torque output. It also features a catless design, which eliminates the factory catalytic converter for even more performance gains. This makes it an ideal choice for car enthusiasts who are looking to improve the performance and sound of their BMW B58 engine vehicles.\u003c\/p\u003e\n\u003cp\u003eThe MAD 5 inch Catless B58 Downpipe is designed to withstand the high temperatures and pressures of high-performance driving, ensuring reliable performance for years to come. \u003c\/p\u003e\n\u003cp\u003eInstallation of the MAD 5 inch Catless B58 Downpipe is straightforward and can be completed with basic hand tools.\u003c\/p\u003e\n\u003cp\u003eOverall, if you're looking to improve the performance and sound of your BMW B58 engine vehicle, the MAD 5 inch Catless B58 Downpipe is a must-have upgrade. It delivers significant performance gains while also adding a much needed sound improvment.\u003c\/p\u003e\n\u003cp\u003eExpect up to a 30HP increase on a tuned BMW \/ Toyota Supra B58 with stock turbo, even more on cars with upgraded turbo.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/li\u003e\n\u003cli\u003eSmooth bends for maximum airflow without any drone\u003c\/li\u003e\n\u003cli\u003eUp to 30HP increase on the stock turbos, even more on upgraded turbos\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on defects and fitment\u003c\/li\u003e\n\u003cli\u003e90 day return period\u003c\/li\u003e\n\u003cli\u003eAll orders ship in 1-2 business days\u003c\/li\u003e\n\u003cli\u003eSpot on fitment\u003c\/li\u003e\n\u003cli\u003eFlex section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFitment:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not fit B58Tu2 aka Gen 3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2015+ BMW M240i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 340i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016+ BMW 440i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016+ BMW 540i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2016+ BMW 740i \u0026amp; Xdrive\u003c\/li\u003e\n\u003cli\u003e2017-2020 X3 M40\u003c\/li\u003e\n\u003cli\u003e2017-2020 X4 M40\u003c\/li\u003e\n\u003cli\u003e2019+ Toyota Supra 3.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":47472216211772,"sku":"MAD-052","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/mad-2052-1__71039__98378.jpg?v=1752004323"},{"product_id":"valvetronic-designs-electronic-exhaust-valve-controller-harness","title":"Valvetronic Designs Electronic Exhaust Valve Controller \/ Harness","description":"\u003ch2\u003eFree Shipping Within the US\u003c\/h2\u003e\n\u003cp\u003eWelcome everybody to the Valvetronic Designs electronic control module. This system allows you to control your OEM or aftermarket exhaust valves with a touch of a button. There are two options for the kit, there is a single valve option and a dual valve option.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eApplicable to all exhaust systems with ELECTRONIC EXHAUST VALVES\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEXAMPLES:\u003c\/p\u003e\n\u003cp\u003e- BMW G80 M3 (2 Valve motor kit needed)\u003c\/p\u003e\n\u003cp\u003e- BMW F30 320i (1 Valve motor kit needed)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e If you ordered an F chassis exhaust for your F30 320i BMW which does not have an exhaust valve, you will use this kit to restore functionality and allow operation of the exhaust valve from within the vehicle. \u003c\/p\u003e","brand":"Valvetronic","offers":[{"title":"1 Valve Actuator \/ 1 wiring harness","offer_id":48021550039356,"sku":"VTD.EVH","price":299.0,"currency_code":"USD","in_stock":true},{"title":"2 Valve Actuator \/ 2 wiring harnesses","offer_id":48021550203196,"sku":"VTD.EVH.2","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/2023-11-18_112140.png?v=1748379101"},{"product_id":"tcm-b58-catted-downpipe-2016-bmw-m240i-340i-440i-540i-740i-xdrive","title":"TCM Catted Downpipe B46 BMW 120i, 220i, 230i, 320i, 330e, 330i, 420i, 430i, 630i, 730i \u0026 xDrive G \u0026 F Chassis","description":"\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003eF20\/F22\/F30\/F31\/F32\/F33\/G20\/G30\/G11 B46 Stainless Steel Catted Downpipe\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eFree Shipping\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003eWe are proud to introduce the TCM High-Flow Catted Downpipe for your B46 BMW. This is one of the best mods for your money. Increase the horsepower and torque of your car, while also giving it a more aggressive exhaust note.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCrafted by hand from tig welded, 304 grade stainless steel.\u003c\/li\u003e\n\u003cli\u003e200 Cell Catalyst\u003c\/li\u003e\n\u003cli\u003eFits both RHD and LHD models with no modification necessary.\u003c\/li\u003e\n\u003cli\u003eSmooth radius bends to decrease turbulence and increase flow.\u003c\/li\u003e\n\u003cli\u003eFits the stock catback as well as all aftermarket exhausts.\u003c\/li\u003e\n\u003cli\u003eGains from 18-23 hp with tune.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY Friendly, no cutting needed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFitment guaranteed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e90 Day Return Policy*\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTCM Lifetime Warranty*\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/trucranemotorsports.com\/pages\/install-documentation\" target=\"_blank\" title=\"TruCrane Motorsports Install Documentation Page\" rel=\"noopener noreferrer\"\u003e\u003cspan\u003eInstall Documentation\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note the mounting brackets visible in some photos are no longer present. These brackets are not needed.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2016 – 2020 F20 BMW 120i \u0026amp; 125i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F22 BMW 220i \u0026amp; 230i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F30\/F31\/F34 GT BMW 320i, 330e, 330i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F32\/F33\/F36 BMW 420i, 430i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F31\/F32 BMW 730i \u0026amp; 740e including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 G30 BMW 530i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2020 \u003c\/span\u003e\u003cspan\u003e- 2024 \u003c\/span\u003eG20 BMW 320i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2020 \u003c\/span\u003e\u003cspan\u003e- 2024 \u003c\/span\u003eG20 BMW 330i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2020 \u003c\/span\u003e\u003cspan\u003e- 2024 \u003c\/span\u003eG21 BMW 320i Wagon including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2020 \u003c\/span\u003e\u003cspan\u003e- 2024 \u003c\/span\u003eG21 BMW 330i Wagon including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ G42 BMW 230i including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G22 BMW 420i including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G22 BMW 430i including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G23 BMW 420i Convertible including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G23 BMW 430i Convertible including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G26 BMW 420i Gran Coupe including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G26 BMW 430i Gran Coupe including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TCM","offers":[{"title":"High Flow Catted Downpipe \/ Brushed Finish","offer_id":48053869314364,"sku":"TCM-DP-B46-CAT-1","price":351.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/2024-04-1017.00.13_d91e7c2a-c6d2-4516-b2ab-bc472f34a7d6.jpg?v=1752004617"},{"product_id":"tcm-oversized-catless-downpipe-b46-2016-2021-bmw-120i-220i-230i-320i-330e-330i-420i-430i-630i-730i-xdrive-g-f-chassis","title":"TCM Catless Downpipe B46 BMW 120i, 220i, 230i, 320i, 330e, 330i, 420i, 430i, 630i, 730i \u0026 xDrive G \u0026 F Chassis","description":"\u003ch1\u003e\u003cstrong\u003e\u003cspan\u003eF20\/F22\/F30\/F31\/F32\/F33\/G20\/G30\/G11 B46 Stainless Steel Catless Downpipe\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eFree Shipping\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003eWe are proud to introduce the TCM Race Downpipe for your B46 BMW. This is one of the best mods for your money. Increase the horsepower and torque of your car, while also giving it a more aggressive exhaust note.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCrafted by hand from tig welded, 304 grade stainless steel.\u003c\/li\u003e\n\u003cli\u003eOversized front section for additional exhaust flow\u003c\/li\u003e\n\u003cli\u003eFits both RHD and LHD models with no modification necessary.\u003c\/li\u003e\n\u003cli\u003eSmooth radius bends to decrease turbulence and increase flow.\u003c\/li\u003e\n\u003cli\u003eFits the stock catback as well as all aftermarket exhausts.\u003c\/li\u003e\n\u003cli\u003eGains from 18-23 hp with tune.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIY Friendly, no cutting needed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFitment guaranteed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e90 Day Return Policy*\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTCM Lifetime Warranty*\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/trucranemotorsports.com\/pages\/install-documentation\" title=\"TruCrane Motorsports Install Documentation Page\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan\u003eInstall Documentation\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/2025-09-27_20.18.42.jpg?v=1759611336\" alt=\"\" width=\"414\" height=\"552\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eDoes not fit non USDM(US and Domestic Markets) spec cars, they use a B48 Engine\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016 – 2020 F20 BMW 120i \u0026amp; 125i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F22 BMW 220i \u0026amp; 230i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F30\/F31\/F34 BMW 320i, 330e, 330i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F32\/F33\/F36 BMW 420i, 430i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 F31\/F32 BMW 730i \u0026amp; 740e including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2016 – 2020 G30 BMW 530i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2020 - 2024 G20 BMW 320i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2020 \u003cspan\u003e - 2024 G20 \u003c\/span\u003eBMW 330i including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e2020 \u003cspan\u003e - 2024 G21 \u003c\/span\u003eBMW 320i Wagon including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2020 \u003c\/span\u003e\u003cspan\u003e- 2024 \u003c\/span\u003eG21 BMW 330i Wagon including xDrive Models (B46 Engine)\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ G42 BMW 230i including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ G22 BMW 420i including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ G22 BMW 430i including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G23 BMW 420i Convertible including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G23 BMW 430i Convertible including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G26 BMW 420i Gran Coupe including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020 - 2024 G26 BMW 430i Gran Coupe including xDrive Models (B46 Engine)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TCM","offers":[{"title":"Default Title","offer_id":48053897920828,"sku":"TCM-DP-B46-1","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/2024-04-1017.00.13.jpg?v=1752004614"},{"product_id":"cts-turbo-high-flow-cat-downpipes-bmw-b58-1-2-3-4-5-7-series-rwd-xdrive-all-generations","title":"CTS Turbo High-Flow Catted Downpipes BMW B58 1\/2\/3\/4\/5\/7 Series RWD \u0026 XDrive – All Generations","description":"\u003cp\u003eThe CTS Turbo High-Flow Cat for the BMW B58 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!\u003c\/p\u003e\n\u003cp\u003eDesigned using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eProduct Details:\u003c\/u\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecisely designed and tested on a real car in the real world\u003c\/li\u003e\n\u003cli\u003eT304 stainless steel, TIG welded back-purged construction\u003c\/li\u003e\n\u003cli\u003eReplaces restrictive factory downpipe with high-flow 200cell catalytic converter\u003c\/li\u003e\n\u003cli\u003eGreat power upgrade with uncompromising performance\u003c\/li\u003e\n\u003cli\u003eIncredible sporty exhaust sound, subtle when cruising\u003c\/li\u003e\n\u003cli\u003eNo drone with factory exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWe recommend replacing the downpipe gasket when installing, factory BMW gasket 18328612538 is required (not included).\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCatalytic converters damaged by “crackle tune” are not covered under warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not fit B58TU2 aka B58 Gen 3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016+ F20 BMW M140i\u003c\/li\u003e\n\u003cli\u003e2016+ F22 BMW M240i \u0026amp; M240i xDrive\u003c\/li\u003e\n\u003cli\u003e2016+ F30\/F31\/G20 BMW 340i \u0026amp; 340i xDrive\u003c\/li\u003e\n\u003cli\u003e2016+ F32\/F33\/F36\/G22\/G23\/G26 BMW 440i \u0026amp; 440i xDrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 G30\/G31 BMW 540i \u0026amp; 540i xDrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 G11\/G12 BMW 740i \u0026amp; 740i xDrive\u003c\/li\u003e\n\u003cli\u003e2018-2024 G01 BMW X3 M40i xDrive\u003c\/li\u003e\n\u003cli\u003e2018-2024 G02 BMW X4 M40i xDrive\u003c\/li\u003e\n\u003cli\u003e2019-2023 G05 BMW X5 40i xDrive\u003c\/li\u003e\n\u003cli\u003e2019-2023 G06 BMW X6 40i xDrive\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStage 2 software is required to avoid check engine light. Only fits cars without GPF\/OPF.\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"CTS Turbo","offers":[{"title":"Default Title","offer_id":48149458190652,"sku":"CTS-EXH-DP-0024-CAT","price":413.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/DP-0024-CAT-4_f95d2aa2-620c-4c11-bbb5-f6eec438cafa.jpg?v=1702592177"},{"product_id":"cts-turbo-race-downpipes-bmw-b58-1-2-3-4-5-7-series-rwd-xdrive-all-generations","title":"CTS Turbo Race Downpipes BMW B58 1\/2\/3\/4\/5\/7 Series RWD \u0026 XDrive","description":"\u003cp\u003eThe CTS Turbo Catless Downpipe BMW B58 is made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!\u003c\/p\u003e\n\u003cp\u003eDesigned using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eProduct Details:\u003c\/u\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4.5″ downpipe, reducing down to 3.15″ or 80mm for perfect fitment to a factory or aftermarket exhaust\u003c\/li\u003e\n\u003cli\u003ePrecisely designed and tested on a real car in the real world\u003c\/li\u003e\n\u003cli\u003eT304 stainless steel, TIG welded back-purged construction\u003c\/li\u003e\n\u003cli\u003eReplaces restrictive factory downpipe\u003c\/li\u003e\n\u003cli\u003eGreat power upgrade with uncompromising performance\u003c\/li\u003e\n\u003cli\u003eIncredible sporty exhaust sound, subtle when cruising\u003c\/li\u003e\n\u003cli\u003eNo drone with factory exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWe recommend replacing the downpipe gasket when installing, factory BMW gasket 18328612538 is required (not included).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not fit B58TU2 aka B58 Gen 3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016+ F20 BMW M140i\u003c\/li\u003e\n\u003cli\u003e2016+ F22 BMW M240i \u0026amp; M240i xDrive\u003c\/li\u003e\n\u003cli\u003e2016+ F30\/F31\/G20 BMW 340i \u0026amp; 340i xDrive\u003c\/li\u003e\n\u003cli\u003e2016+ F32\/F33\/F36\/G22\/G23\/G26 BMW 440i \u0026amp; 440i xDrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 G30\/G31 BMW 540i \u0026amp; 540i xDrive\u003c\/li\u003e\n\u003cli\u003e2016-2024 G11\/G12 BMW 740i \u0026amp; 740i xDrive\u003c\/li\u003e\n\u003cli\u003e2018-2024 G01 BMW X3 M40i xDrive\u003c\/li\u003e\n\u003cli\u003e2018-2024 G02 BMW X4 M40i xDrive\u003c\/li\u003e\n\u003cli\u003e2019-2023 G05 BMW X5 40i xDrive\u003c\/li\u003e\n\u003cli\u003e2019-2023 G06 BMW X6 40i xDrive\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStage 2 software is required to avoid check engine light. Only fits cars without GPF\/OPF.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"CTS Turbo","offers":[{"title":"Default Title","offer_id":48149486928188,"sku":"CTS-EXH-DP-0024","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/DP-0024-CAT-4_3dc4f17c-2bea-48d5-9d81-a6ac8cad6250.jpg?v=1730315098"},{"product_id":"fi-exhaust-fi-pro-app-remote-control-module-obdii-bmw","title":"Fi Exhaust Fi PRO App Remote Control Module (OBDII) with Valve Controller","description":"\u003cp style=\"font-weight: 400;\"\u003eAfter a year of development Fi EXHAUST team is proud to present the new and improved Fi EXHAUST Pro version control box, mobile App and redesigned remote control. The App intelligently remembers your settings, automatically connects to the Fi EXHAUST Pro Version control box after first time pairing and interactive interface design is joy to use. Every time the App launches it’s like a pleasant conversation between Fi EXHAUST and your car.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eIncludes Valve controller\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eFi EXHAUST Pro offers 6 new features:\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-weight: 400;\"\u003eMonitors real-time valve status with Fi EXHAUST Pro App’s intuitive and friendly interface. Mount your phone on a dashboard and use Fi Pro as a second digital display.\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003eOn an engine startup Fi EXHAUST Pro App automatically scans and erases annoying CEL related to catalytic convertor for selected car models.\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003eExperience more intuitive way how to control exhaust valves. Customize what 2 buttons on the physical remote control do. Manually open\/close the exhaust valves or activate Auto Mode.\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003eFast pairing and connection with Fi EXHAUST Pro Bluetooth delivers a smoother experience.\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003ePair multiple remote controls to Fi EXHAUST Pro. You can use the same Fi Pro remote control to awaken Fi symphony on multiple cars installed with Fi EXHAUST system. Free up pocket space and carry only a single remote. Please note that this only if you have Fi EXHAUST Pro installed on your cars.\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003eIntelligent Fi EXHAUST Pro Version control box can be used with Fi EXHAUST vacuum valve system and OEM electric valves for Mercedes-Benz, BMW and Audi models.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Fi Exhaust","offers":[{"title":"Default Title","offer_id":48433505337660,"sku":"R2020OBD + OBD-CAB-5BNE","price":800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/app-ad-03.jpg?v=1707241297"},{"product_id":"fi-exhaust-valved-catback-exhaust-quad-tips-bmw-g20-g21-320i-b46","title":"Fi Exhaust Valved Catback Exhaust BMW G20\/G22 320i\/420i B46","description":"\u003cp\u003e\u003cstrong\u003eBMW G20 \/ G21 330i 2.0T B46 Fi Exhaust\u003c\/strong\u003e\u003cspan\u003e (Frequency Intelligent Exhaust) high-performance\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003evalvetronic exhaust system\u003c\/strong\u003e\u003cspan\u003e is direct replacement \u003c\/span\u003e\u003cstrong\u003ebolt on\u003c\/strong\u003e\u003cspan\u003e system manufactured out of a high-grade T304 stainless steel that offers an exhilarating soundtrack.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBMW G20 \/ G21 330i 2.0T B46 Fi EXHAUST system is designed with a valvetronic technology to control airflow, sound volume and enhance the overall performance and torque. On average horsepower is expected to increase from\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e5-10%\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eafter installing a full catless system, which includes a valvetronic catback and ultra-high flow downpipe.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhen valves are closed exhaust gasses are routed through the muffler resulting in a low-profile comfortable drive. However, when the valves are fully open an intense and sporty soundtrack is produced.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSwitching between street and race sound profiles can be done using\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003efactory\u003c\/strong\u003e\u003cspan\u003e exhaust\/sport button or drive mode, or optional\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eFi EXHAUST remote control and mobile App.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe unique sound and performance for BMW G20 \/ G21 330i 2.0T B46 is achieved through\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eindividually designed\u003c\/strong\u003e\u003cspan\u003e muffler internals that are fabricated to offer an ultimate driving experience.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note each part of the Fi EXHAUST system needs to be ordered separately.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDifferent exhaust parts are offered depending on the vehicle version.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note that the actual product may vary in appearance depending on the year of the car and area. 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However, when the valves are fully open an intense and sporty soundtrack is produced.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSwitching between street and race sound profiles can be done using\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003efactory\u003c\/strong\u003e\u003cspan\u003e exhaust\/sport button or drive mode, or optional\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eFi EXHAUST remote control and mobile App.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe unique sound and performance for BMW G20 \/ G21 M340i B58 is achieved through\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eindividually designed\u003c\/strong\u003e\u003cspan\u003e muffler internals that are fabricated to offer an ultimate driving experience.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note that the actual product may vary in appearance depending on the year of the car and area. The exhaust system is also subject to changes to the design over an extended time period. Product pictures are for illustration purposes only.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCatback Exhaust:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFront Pipe + Mid Pipe + Valvetronic Muffler(EV Valve) for Non-OPF: (BN-G2058-FP + BN-G2058-CBE+ACT-BN+CAB-BT2B) \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTips:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1.Quad Tips in Silver (TIP-70101Q-S)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2.Quad Tips in Titanium Blue (TIP-70101Q-TB)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3.Quad Tips in Diamond Black (TIP-70101Q-B)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4.Quad Tips in Gold (TIP-70101Q-G)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e5.Quad Tips with Carbon Fiber (TIP-70101Q-C)\u003c\/span\u003e\u003c\/p\u003e","brand":"Fi Exhaust","offers":[{"title":"No Tips","offer_id":48440267505980,"sku":"BN-G2058-FP + BN-G2058-CBE + BN-M340-LKP + ACT-BN + CAB-BT2B","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"Chrome","offer_id":48440232182076,"sku":"BN-G2058-FP + BN-G2058-CBE + TIP-70101Q-S + ACT-BN + CAB-BT2B","price":3300.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Blue","offer_id":48440232313148,"sku":"BN-G2058-FP + BN-G2058-CBE + BN-M340-LKP + ACT-BN + CAB-BT2B + TIP-70101Q-TB","price":3400.0,"currency_code":"USD","in_stock":true},{"title":"Diamond Black","offer_id":48440232444220,"sku":"BN-G2058-FP + BN-G2058-CBE + BN-M340-LKP + ACT-BN + CAB-BT2B + TIP-70101Q-B","price":3400.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":48440232575292,"sku":"BN-G2058-FP + BN-G2058-CBE + BN-M340-LKP + ACT-BN + CAB-BT2B + BN-G2058-FP + BN-G2058-CBE + BN-M340-LKP + ACT-BN + CAB-BT2B","price":3440.0,"currency_code":"USD","in_stock":true},{"title":"Carbon Fiber","offer_id":48440232706364,"sku":"BN-G2058-FP + BN-G2058-CBE + BN-M340-LKP + ACT-BN + CAB-BT2B + TIP-70101Q-C","price":3960.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/m340i-01.jpg?v=1707331879"},{"product_id":"tcm-b58-4-5-race-downpipe-w-bracket-bmw-240i-340i-440i-supra-x3-f-g-chassis","title":"TCM B58 4.5\" Race Downpipe BMW 240i\/340i\/440i\/Supra\/X3 F\/G Chassis","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTCM is proud to release the B58 Catless Downpipe for your BMW or Supra\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFree Shipping within Continental US\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA TCM Catless B58 Downpipe is an essential upgrade for any enthusiast looking to maximize the performance of their B58 engine.\u003c\/p\u003e\n\u003cp\u003eOur downpipe is made from high-quality 304 stainless steal. 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This results in a noticeable increase in power and throttle response, as well as a more aggressive exhaust note.\u003c\/p\u003e\n\u003cp\u003eThe TCM Downpipe is a direct bolt-on replacement for the factory downpipe, no need to make any cuts or alterations.\u003c\/p\u003e\n\u003cp\u003eThe downpipe is also designed to work seamlessly with the factory exhaust system, as well as aftermarket systems.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/li\u003e\n\u003cli\u003eSmooth bends for maximum airflow without any drone\u003c\/li\u003e\n\u003cli\u003e304 stainless steel, which provides excellent durability and resistance to corrosion.\u003c\/li\u003e\n\u003cli\u003eUp to 30HP increase on the stock turbos, even more on upgraded turbos\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on defects and fitment\u003c\/li\u003e\n\u003cli\u003e90 day return period\u003c\/li\u003e\n\u003cli\u003eAll orders ship in 1-2 business days\u003c\/li\u003e\n\u003cli\u003eFitment Guaranteed \u003c\/li\u003e\n\u003cli\u003eFlex section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eFitment:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits RWD and AWD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits B58 and B58TU (Gen1 and Gen2)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016–2021 BMW 240\/M240 F22\/F23\u003c\/li\u003e\n\u003cli\u003e2022-2024 BMW M240i G42\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 340i F30\/F31\/F34\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 440i F32\/F33\/F36\u003c\/li\u003e\n\u003cli\u003e2020-2024 BMW M340i G20\/G21\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 440i G22\/G23\/G26\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 540i G30\/G31\u003c\/li\u003e\n\u003cli\u003e2017-2023 BMW 640i G32\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 740i G11\/G12\u003c\/li\u003e\n\u003cli\u003e2018-2024 BMW 840i G14\/G15\/G16\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X3 M40 G01\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X4 M40 G02\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X5 M40 G05\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X6 M40 G06\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X7 M40 G07\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2019-2024 BMW Z3 40 G29\u003c\/li\u003e\n\u003cli\u003e2019-2025 Toyota Supra 3.0L A90\/A91\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"TCM","offers":[{"title":"Default Title","offer_id":48682419585340,"sku":"TCM-DP-B58-1","price":201.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/2024-03-2318.04.38_ce0ce922-206b-4109-b93e-d436258a7e8c.png?v=1752004555"},{"product_id":"tcm-b58-4-5-high-flow-catted-downpipe-bmw-240i-340i-440i-supra-x3-f-g-chassis","title":"TCM B58 4.5\" High Flow Catted Downpipe BMW 240i\/340i\/440i\/Supra\/X3 F\/G Chassis","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTCM is proud to release the B58 200 Cell Catted Downpipe for your BMW or Supra\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFree Shipping within Continental US\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA TCM Catted B58 Downpipe is an essential upgrade for any enthusiast looking to maximize the performance of their B58 engine.\u003c\/p\u003e\n\u003cp\u003eOur downpipe is made from high-quality 304 stainless steal. It is designed to provide maximum exhaust flow and improve turbo spool time, resulting in increased horsepower and torque. By removing the factory catalytic converter and keeping a large internal diameter with a smooth transition down to the midpipe size, we're able to maximize exhaust flow and reduce air turbulence. Giving you more power.\u003c\/p\u003e\n\u003cp\u003eNot only does this provide an increase in power, it also provides you with a nice increase in exhaust tone. Making your car sound more aggressive.\u003c\/p\u003e\n\u003cp\u003eThe design eliminates the restrictive catalytic converter, and replaces it with a high flow 200 CEL catalytic converter allowing for maximum exhaust flow and reducing backpressure. This results in a noticeable increase in power and throttle response, as well as a more aggressive exhaust note.\u003c\/p\u003e\n\u003cp\u003eThe TCM Downpipe is a direct bolt-on replacement for the factory downpipe, no need to make any cuts or alterations.\u003c\/p\u003e\n\u003cp\u003eThe downpipe is also designed to work seamlessly with the factory exhaust system, as well as aftermarket systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/li\u003e\n\u003cli\u003eSmooth bends for maximum airflow without any drone\u003c\/li\u003e\n\u003cli\u003e200 Cell Catalytic Converter\u003c\/li\u003e\n\u003cli\u003e304 stainless steel, which provides excellent durability and resistance to corrosion.\u003c\/li\u003e\n\u003cli\u003eUp to 25HP increase on the stock turbos, even more on upgraded turbos\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on defects and fitment\u003c\/li\u003e\n\u003cli\u003e90 day return period\u003c\/li\u003e\n\u003cli\u003eAll orders ship in 1-2 business days\u003c\/li\u003e\n\u003cli\u003eFitment Guaranteed \u003c\/li\u003e\n\u003cli\u003eFlex section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eFitment:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits RWD and AWD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits B58 and B58TU (Gen1 and Gen2)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016–2021 BMW 240\/M240 F22\/F23\u003c\/li\u003e\n\u003cli\u003e2022-2024 BMW M240i G42\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 340i F30\/F31\/F34\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 440i F32\/F33\/F36\u003c\/li\u003e\n\u003cli\u003e2020-2024 BMW M340i G20\/G21\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 440i G22\/G23\/G26\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 540i G30\/G31\u003c\/li\u003e\n\u003cli\u003e2017-2023 BMW 640i G32\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 740i G11\/G12\u003c\/li\u003e\n\u003cli\u003e2018-2024 BMW 840i G14\/G15\/G16\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X3 M40 G01\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X4 M40 G02\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X5 M40 G05\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X6 M40 G06\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X7 M40 G07\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2019-2024 BMW Z3 40 G29\u003c\/li\u003e\n\u003cli\u003e2019-2024 Toyota Supra 3.0L A90\/A91\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA tune\/defouler will be necessary to prevent a CEL\u003c\/p\u003e\n\u003c\/div\u003e","brand":"TCM","offers":[{"title":"Default Title","offer_id":48688157491516,"sku":"TCM-DP-B58-CAT-1","price":351.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/2024-03-2318.08.40.jpg?v=1752004552"},{"product_id":"tcm-b58-5-race-downpipe-bmw-240i-340i-440i-supra-x3-f-g-chassis","title":"TCM B58 5\" Race Downpipe BMW 240i\/340i\/440i\/Supra\/X3 F\/G Chassis Gen 1\u00262","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTCM is proud to release the B58 5 inch Catless Downpipe for your BMW or Supra\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFree Shipping within Continental US\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA TCM Catless B58 Downpipe is an essential upgrade for any enthusiast looking to maximize the performance of their B58 engine.\u003c\/p\u003e\n\u003cp\u003eOur downpipe is made from high-quality 304 stainless steal. It is designed to provide maximum exhaust flow and improve turbo spool time, resulting in increased horsepower and torque. By removing the factory catalytic converter and keeping a large internal diameter with a smooth transition down to the midpipe size, we're able to maximize exhaust flow and reduce air turbulence. Giving you more power.\u003c\/p\u003e\n\u003cp\u003eNot only does this provide an increase in power, it also provides you with a nice increase in exhaust tone. Making your car sound more aggressive.\u003c\/p\u003e\n\u003cp\u003eThe catless design eliminates the restrictive catalytic converter, allowing for maximum exhaust flow and reducing backpressure. This results in a noticeable increase in power and throttle response, as well as a more aggressive exhaust note.\u003c\/p\u003e\n\u003cp\u003eThe TCM Downpipe is a direct bolt-on replacement for the factory downpipe, no need to make any cuts or alterations.\u003c\/p\u003e\n\u003cp\u003eThe downpipe is also designed to work seamlessly with the factory exhaust system, as well as aftermarket systems.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e  \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/sa8XXNVzdcY\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5 Inch diameter for maximum exhaust flow\u003c\/li\u003e\n\u003cli\u003eLarger diameter to provide a deeper exhaust tone\u003c\/li\u003e\n\u003cli\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/li\u003e\n\u003cli\u003eSmooth bends for maximum airflow without any drone\u003c\/li\u003e\n\u003cli\u003e304 stainless steel, which provides excellent durability and resistance to corrosion.\u003c\/li\u003e\n\u003cli\u003eUp to 30HP increase on the stock turbos, even more on upgraded turbos\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on defects and fitment\u003c\/li\u003e\n\u003cli\u003e90 day return period\u003c\/li\u003e\n\u003cli\u003eAll orders ship in 1-2 business days\u003c\/li\u003e\n\u003cli\u003eFitment Guaranteed \u003c\/li\u003e\n\u003cli\u003eFlex section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eFitment:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits RWD and AWD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits B58 and B58TU (Gen1 and Gen2)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2016–2021 BMW 240\/M240 F22\/F23\u003c\/li\u003e\n\u003cli\u003e2022-2024 BMW M240i G42\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 340i F30\/F31\/F34\u003c\/li\u003e\n\u003cli\u003e2016-2019 BMW 440i F32\/F33\/F36\u003c\/li\u003e\n\u003cli\u003e2020-2024 BMW M340i G20\/G21\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 440i G22\/G23\/G26\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 540i G30\/G31\u003c\/li\u003e\n\u003cli\u003e2017-2023 BMW 640i G32\u003c\/li\u003e\n\u003cli\u003e2016-2024 BMW 740i G11\/G12\u003c\/li\u003e\n\u003cli\u003e2018-2024 BMW 840i G14\/G15\/G16\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X3 M40 G01\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X4 M40 G02\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X5 M40 G05\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X6 M40 G06\u003c\/li\u003e\n\u003cli\u003e2017-2024 BMW X7 M40 G07\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2019-2024 BMW Z3 40 G29\u003c\/li\u003e\n\u003cli\u003e2019-2024 Toyota Supra 3.0L A90\/A91\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"TCM","offers":[{"title":"Default Title","offer_id":48736989577532,"sku":"TCM-DP-B58-2-S","price":298.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/2024-03-2318.20.37.png?v=1752004547"},{"product_id":"genuine-bmw-turbo-to-down-pipe-gasket-18328612538-for-bmw-b58","title":"Genuine BMW 4.5\" Turbo to Downpipe Gasket for BMW B58 18328612538","description":"\u003cp\u003eOEM replacement turbo to downpipe clamp for your B58 turbo BMW. These are sold individually and you can reference the chart below to determine fitment for your vehicle. Please note that only one gasket is required.  \u003cbr\u003e\u003cbr\u003ePart Number: 18328612538 \u003cbr\u003e\u003cbr\u003e2016-2018 BMW 340i\u003cbr data-mce-fragment=\"1\"\u003e2016-2018 BMW 340i xDrive\u003cbr data-mce-fragment=\"1\"\u003e2016 - Present BMW 740i \u003cbr data-mce-fragment=\"1\"\u003e2017 - Present BMW 740i xDrive \u003cbr data-mce-fragment=\"1\"\u003e2017 - Present BMW M240i \u003cbr data-mce-fragment=\"1\"\u003e2017 - Present BMW M240i xDrive \u003cbr data-mce-fragment=\"1\"\u003e2017 - 2019 BMW 340i GT xDrive \u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i \u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i xDrive \u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i Gran Coupe \u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i xDrive Gran Coupe \u003cbr data-mce-fragment=\"1\"\u003e2017 - Present BMW 540i \u003cbr data-mce-fragment=\"1\"\u003e2017 - Present BMW 540i xDrive \u003cbr data-mce-fragment=\"1\"\u003e2018 - Present BMW X3 M40i \u003cbr data-mce-fragment=\"1\"\u003e2019 - Present BMW X4 M40i \u003cbr data-mce-fragment=\"1\"\u003e2018 - 2019 BMW 640i xDrive Gran Turismo \u003cbr data-mce-fragment=\"1\"\u003e2019 - Present BMW X5 sDrive40i \u003cbr data-mce-fragment=\"1\"\u003e2021 - Present BMW X5 xDrive45e \u003cbr data-mce-fragment=\"1\"\u003e2021 - Present BMW X5 xDrive40i \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW M340i \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW M340i xDrive \u003cbr data-mce-fragment=\"1\"\u003e2019 - Present BMW X7 xDrive40i \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW 745e xDrive \u003cbr data-mce-fragment=\"1\"\u003e2020 BMW Z4 M40i First Edition \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW Z4 sDrive M40i \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW X6 xDrive40i \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW 840i \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW 840i Gran Coupe \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW 840i xDrive \u003cbr data-mce-fragment=\"1\"\u003e2020 - Present BMW 840i xDrive Gran Coupe \u003cbr data-mce-fragment=\"1\"\u003e2021 - Present BMW M440i xDrive \u003cbr data-mce-fragment=\"1\"\u003e2016 - 2018 BMW 340i \u003cbr data-mce-fragment=\"1\"\u003e2016 - 2018 BMW 340i\u003cbr data-mce-fragment=\"1\"\u003e2017 - Present BMW M240i\u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW M240i xDrive\u003cbr data-mce-fragment=\"1\"\u003e2017 - Present BMW M240i Convertible\u003cbr data-mce-fragment=\"1\"\u003e2017 - 2019 BMW 340i GT xDrive\u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i\u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i xDrive\u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i xDrive\u003cbr data-mce-fragment=\"1\"\u003e2017 - 2020 BMW 440i xDrive Gran Coupe\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":48782791344444,"sku":"18328612538","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/FullSizeRender_53d82acc-f4b4-442f-915a-9a4d3c136c56.jpg?v=1711578510"},{"product_id":"genuine-bmw-turbo-to-downpipe-v-band-exhaust-clamp-for-bmw-b58-18328612537","title":"Elring 4.5\" Turbo to Downpipe V-Band Exhaust Clamp for BMW B58 18328612537","description":"\u003cp\u003eOEM Turbo to Downpipe Exhaust Clamp for BMW B58\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThese are sold individually and you can reference the chart below to determine fitment for your vehicle. \u003cbr\u003e\u003cbr\u003ePart Numbers:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e18328612537\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThis item fits the following BMWs:\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eChassis\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eB58 model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eProduction\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel years\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody id=\"tbody\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eF20 \/ F21 LCI\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eM140i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eSep 2015 – Jun 2019\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eF22 \/ F23 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eM240i Coupé \u0026amp; Convertible\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eSep 2015 – Jul 2021\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2016–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG42\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eM240i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eJun 2020 – Mar 2025\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2022–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eF30 LCI\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e340i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2014 – Oct 2018\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2016–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eF31 LCI\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e340i Touring\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2014 – Jun 2019\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eF34 GT LCI\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e340i Gran Turismo\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eSep 2015 – Sep 2020\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG20 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eM340i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eJan 2018 – Mar 2025\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2020–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG21 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eM340i Touring\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2018 – Mar 2025\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2020–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eF32 \/ F33 \/ F36 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e440i Coupé, Conv. \u0026amp; Gran Coupé\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eMar 2015 – Jun 2020\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2016–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG22 \/ G23 \/ G26 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eM440i Coupé, Conv. \u0026amp; Gran Coupé\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eJun 2019 – Mar 2025\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2021–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG30 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e540i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2015 – Jun 2023\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2017–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG31 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e540i Touring\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eMar 2016 – Feb 2024\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2017–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG32 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e640i Gran Turismo\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eSep 2016 – Jun 2024\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG11 \/ G12 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e740i \/ 740Li\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2014 – Jun 2022\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2016–2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG14 \/ G15 \/ G16\u003c\/td\u003e\n\u003ctd class=\"m\"\u003e840i Conv., Coupé \u0026amp; Gran Coupé\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eJun 2018 – Mar 2025\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG01 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eX3 M40i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2016 – Aug 2024\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG02 (+LCI)\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eX4 M40i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eMar 2017 – Mar 2025\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG05\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eX5 xDrive40i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2017 – Mar 2023\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2019–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG18\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eX5L xDrive40i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eApr 2021 – Aug 2023\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2022–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG06\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eX6 xDrive40i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eJun 2018 – Mar 2023\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2020–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG07\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eX7 xDrive40i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eNov 2017 – Jun 2022\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2019–2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"c\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eG29\u003c\/td\u003e\n\u003ctd class=\"m\"\u003eZ4 M40i\u003c\/td\u003e\n\u003ctd class=\"c\"\u003eOct 2017 – Mar 2025\u003c\/td\u003e\n\u003ctd class=\"c\"\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":48782805532988,"sku":"18328612537","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/ELR-113720.jpg?v=1770239827"},{"product_id":"sst-exhaust-valve-controller-bmw-3-4-series-f3x-g2x","title":"SST Exhaust Valve Controller BMW 3 \u0026 4 series F3x G2x","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eStocked Locally in Northern Virginia\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFree Shipping within Continental US\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith this plug \u0026amp; play control unit you have the ability to open or close the exhaust flaps as required. The control unit works smoothly with the series system and lets you enjoy completely new sound experiences. Of course, the effect is even stronger in combination with a sports exhaust system.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOrigin: Made in Germany\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eInstallation location: either in the trunk of your car or behind the bumper (controller is waterproof)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003enumber of controlled flaps: 1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ecompact metrics: 65x50x35 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"install-documentation\" href=\"https:\/\/trucranemotorsports.com\/pages\/install-documentation\" target=\"_blank\"\u003eInstall Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eSuitable for the following engines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 328i(x) (Type F30\/F31) 180kW \/ 241 hp (YOC: 2012 – 2015)\u003c\/li\u003e\n\u003cli\u003eBMW 328i(x) (Type F34\/F35) 180kW \/ 241 hp (YOC: 2012 – 2015)\u003c\/li\u003e\n\u003cli\u003eBMW 330i(x) (Type F30\/F31) 185kW \/ 248 hp (YOC: 2015 – 2018)\u003c\/li\u003e\n\u003cli\u003eBMW 330i(x) (Type F34\/F35) 185kW \/ 248 hp (YOC: 2015 – 2018)\u003c\/li\u003e\n\u003cli\u003eBMW 335i(x) (Type F30\/F31) 225kW \/ 302 hp (YOC: 2012 – 2015)\u003c\/li\u003e\n\u003cli\u003eBMW 335i(x) (Type F34\/F35) 225kW \/ 302 hp (YOC: 2012 – 2015)\u003c\/li\u003e\n\u003cli\u003eBMW 340i(x) (Type F30\/F31) 240kW \/ 322 hp (YOC: 2015 – 2019)\u003c\/li\u003e\n\u003cli\u003eBMW 340i(x) (Type F34) 240kW \/ 322 hp (YOC: 2016 – 2021)\u003c\/li\u003e\n\u003cli\u003eBMW 330i(x) (Type G20\/G21\/G28) 190kW \/ 255 hp (YOC: from 2019)\u003c\/li\u003e\n\u003cli\u003eBMW 330e(x) (Type G20\/G21\/G28) 215 kW \/ 288 hp (YOC: from 2019)\u003c\/li\u003e\n\u003cli\u003eBMW M340i(x) (Type G20\/G21\/G28) 275kW \/ 369 hp (YOC: from 2019)\u003c\/li\u003e\n\u003cli\u003eBMW 428i(x) (Type F32\/F33\/F36) 180 kW \/ 241 hp (YOC: 2013 - 2016)\u003c\/li\u003e\n\u003cli\u003eBMW 430i(x) (Type F32\/F33\/F36) 185 kW \/ 248 hp (YOC: 2016 - 2021)\u003c\/li\u003e\n\u003cli\u003eBMW 430i(x) (Type G22\/G23\/G26) 190 kW \/ 255 hp (YOC: 2020 - 2021)\u003c\/li\u003e\n\u003cli\u003eBMW 430i(x) (Type G22\/G23\/G26) 180 kW \/ 241 hp (YOC: from 2021)\u003c\/li\u003e\n\u003cli\u003eBMW 435i(x) (Type F32\/F33\/F36) 225 kW \/ 302 hp (YOC: 2013 - 2016)\u003c\/li\u003e\n\u003cli\u003eBMW 440i(x) (Type F32\/F33\/F36) 240 kW \/ 322 hp (YOC: 2016 - 2021)\u003c\/li\u003e\n\u003cli\u003eBMW M440i(x) (Type G22\/G23\/G26) 275 kW \/ 369 hp (YOC: from 2021)\u003c\/li\u003e\n\u003cli\u003eAlpina    B3\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlpina    B3 GT    G20\/G21    2024--\u0026gt;\u003c\/li\u003e\n\u003cli\u003eAlpina    B3 S    F30\/F31    2017-2019\u003c\/li\u003e\n\u003cli\u003eAlpina    B4    F32\/F33    2014-2017\u003c\/li\u003e\n\u003cli\u003eAlpina    B4    G26    2022-2024\u003c\/li\u003e\n\u003cli\u003eAlpina    B4 GT    G26    2024--\u0026gt;\u003c\/li\u003e\n\u003cli\u003eAlpina    B4 S    F32\/F33    2017-2019\u003c\/li\u003e\n\u003cli\u003eAlpina    B4 S Edition 99    F32\/F33    2018-2019\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEasy installation:\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe control unit arrives pre-assembled and pre-programmed including illustrated installation and operating instructions. Thus, the assembly is done easily and quickly in a short time. Per request the installation can also be carried out at our site.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGuaranteed compatibility:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe control unit integrates seamlessly into the vehicle electronics, is 100% compatible with the specified vehicle types and does not cause any errors in the vehicle electronics. Nothing has to be changed on the vehicle for installation. The device can be removed at any time without leaving any residue and is therefore also ideal for leasing vehicles. The device does not consume any quiescent current when switched off and thus does not affect the on-board electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYou choose the appropriate mode yourself:\u003c\/li\u003e\n\u003cli\u003eSport mode: Flap(s) permanently open with sporty and robust sound regardless of driving situation and vehicle settings\u003c\/li\u003e\n\u003cli\u003eComfort mode: Flap(s) permanently closed with discreetly restrained sound regardless of driving situation and vehicle settings\u003c\/li\u003e\n\u003cli\u003eSerial mode: Control of the flap(s) as before in the series configuration, e.g. for service, etc.\u003c\/li\u003e\n\u003cli\u003eFreestyle mode: Flap(s) 50% open for individual sound and volume configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAdditional features:\u003c\/p\u003e\n\u003cp\u003eYou later decide for yourself whether the control unit remembers the last set mode, which is then automatically reactivated the next time the engine is started or whether, for example, a certain mode should always be activated when starting the engine, regardless of the last setting. In addition, the control unit has a special function with which the mechanical stops of the exhaust flaps are retrained. This is necessary, for example when replacing an exhaust flap or when an exhaust flap is to be installed in another exhaust system so that it then functions correctly.\u003c\/p\u003e\n\u003cp\u003eDELUXE-control with the following advantage:\u003c\/p\u003e\n\u003cp\u003eThe control system includes flap diagnostics. This means that our control system monitors the exhaust flap(s) permanently and detects if there is a malfunction (e.g. flap is jammed, sluggish, does not reach end position,) and reports this to the vehicle.\u003cbr\u003e\u003c\/p\u003e","brand":"SST","offers":[{"title":"Default Title","offer_id":48791024730428,"sku":"AKS.BMW1","price":204.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/files\/SST_Abgasklappensteuerung_AKS_MV1B_cb7f71c0-3add-48b6-b4c6-2806983d5427.jpg?v=1748379021"},{"product_id":"evolution-racewerks-catted-downpipe-b46-engine-bmw-120i-220i-230i-320i-330e-330i-420i-430i-630i-730i-xdrive-g-f-chassis","title":"Evolution Racewerks Catted Downpipe B46 Engine BMW 120i, 220i, 230i, 320i, 330e, 330i, 420i, 430i, 630i, 730i \u0026 xDrive G \u0026 F Chassis","description":"\u003cp\u003eIntroducing our new Competition Series 4\" Downpipes for your BMW B46 four cylinder turbo engine!  Fits all 2016+ 230i \/ 330i \/ 430i \/ 530i \/ X3 30i \/ X4 30i \/ Z4 30i\/20i.  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe B46 engine is found in majority U.S. spec cars.  The downpipe is different than the B48 found in the EU \/ Asia spec cars.  This pipe is for US spec cars.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTHIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe item is for sale for international customers without restriction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEase of Installation: (1 Easy, 5 Hard) 3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNow available for the 2016+ 230i \/ 330i \/ 430i \/ 530i \/ X3 30i \/ X4 30i \/ Z4 30i\/20i B46 Engine!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHorsepower gains of 14 to 16whp average (gains will vary based on modifications of your vehicle).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher Max Horsepower Power Curve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTorque gains of 20 wtq average (stock boost) up to over 24 wtq (Software upgrade)\u003c\/span\u003e \u003cspan\u003e(gains will vary based on modifications of your vehicle).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher Intial Torque Curve.  Torque curve hits faster and higher and longer.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter throttle response and faster turbo spool up times.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMandrel Bent 4\" piping.  Smooth transition to the exhaust system.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e100% Stainless Steel Construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e100% TIG welded for better quality welds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision CNC machined turbocharger V-Band flange.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision CNC machined ball joint flange with straight flow interior (versus factory press formed ball joint)\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStainless steel flex section like factory that allows proper exhaust movement and flexibility.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMirror polish or brush finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable with high temperature black thermal coating to reduce under hood temperatures.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional - Additional O2 sensor bung for wideband O2 sensors (comes with pre-installed plug)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional EGT sensor bung for EGT gauges (comes with pre-installed plug)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRetains the factory \"ball\" type v-band connector.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved design of \"ball\" connector for better flow characteristics over factory connector.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with the factory or aftermarket exhaust systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrack tested durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes all hardware for complete installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLimited Lifetime Warranty.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"giImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"block-imageblock-ImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"one-image\"\u003e\u003ca href=\"https:\/\/www.evolutionracewerks.com\/index.php?q=gallery\u0026amp;g2_itemId=264856\"\u003e\u003cimg alt=\"b46dp1a\" class=\"giThumbnail\" height=\"525\" width=\"700\" src=\"https:\/\/www.evolutionracewerks.com\/sites\/all\/modules\/gallery2\/main.php?g2_view=core.DownloadItem\u0026amp;g2_itemId=264856\u0026amp;g2_serialNumber=1\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShown in Brush Finish\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"giImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"block-imageblock-ImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"one-image\"\u003e\u003ca href=\"https:\/\/www.evolutionracewerks.com\/index.php?q=gallery\u0026amp;g2_itemId=280802\"\u003e\u003cimg alt=\"B46DPTB1\" class=\"giThumbnail\" height=\"525\" width=\"700\" src=\"https:\/\/www.evolutionracewerks.com\/sites\/all\/modules\/gallery2\/main.php?g2_view=core.DownloadItem\u0026amp;g2_itemId=280802\u0026amp;g2_serialNumber=1\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShown in Thermal Coated Black\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eRestrictions in the exhaust system robs horsepower and torque especially on turbocharged cars.  Thus, removing as much exhaust flow restrictions will increase horsepower and torque significantly.  The factory catalytic converter found in the factory downpipe is a big culprit of this and is a major exhaust flow restriction.  The factory catalytic converter is made up of catalyst material formed into \"honeycomb\" weaves.  Exhaust gas must pass through these tiny \"honeycomb\" weaves on their way to the exhaust system thus causing a major exhaust flow restriction.  It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction).  By replacing the factory downpipe\/catalytic converter with our Competition Series 4\" Catless Downpipe, more power is unleashed!  Our dyno testing has shown around 14-16whp average peak gains and upwards of 24wtq peak gains!  While peak horsepower is nice to look at on dyno charts, what's more important is the power curve.  If you look at the dyno charts, torque hits \u003cstrong\u003eMUCH\u003c\/strong\u003e earlier and harder.  The torque curve is \u003cstrong\u003eBROADER \u003c\/strong\u003ethroughout the RPM band.  More usable power.  You have more time spent in the RPM band with higher horsepower and torque.  This equates to faster turbo spool up (less turbocharger lag) and better throttle response.  Bottom line, faster.  You will feel the difference instantly. \u003c\/p\u003e\n\u003cp\u003eOur Competition Series Catless Downpipes is constructed out of 100% 304 grade stainless steel and utilize mandrel bent piping.  They are 100% TIG welded by our in house fabricators and built in the USA.  The factory turbocharger turbine housing utilizes a 4\" V-Band flange which we have duplicated and CNC machined cut out of billet 304 stainless steel.  Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods.  The O2 sensor is positioned at the factory location.  Since the outlet of the turbocharger is 4\" and the factory exhaust system is 3\", the factory downpipes reduces size using short transitions from 4\" before the catalytic convert and 3\" afterwards.  Due to space needed for the cataylic converter, the factory downpipes reduce in size using very short transitions.  Since our catless downpipes delete the cataylic converter, we have more space.  Thus, we use very long transitions.  These longer transitions allow the exhaust gas time to smoothly transition from the larger piping to the smaller.  This results in less exhaust turbulence and backpressure which again improves throttle response and increase turbocharger spool times (less turbocharger lag). \u003c\/p\u003e\n\u003cp\u003eThe factory downpipe utilizes a flex bellow section that allows the exhaust system to move.  This eliminates undue stress on the exhaust components like the exhaust system, downpipe, turbocharger and exhaust manifold.  Many of our competitors do not feel it is important to keep this.  While you do not see any adverse affects right away, over time, the stresses caused by not having a flex section and having a rigid exhaust system will cause premature wear and tear.  Any stress failures like cracks will form quicker than usual on exhaust manifolds and exhaust components.  Also, without a flex section, the exhaust system cannot properly deflect impact.  Especially on lowered cars, whenever the exhaust system contacts the ground, the entire system gets pushed up.  Without a flex, you can imagine how much stress is put into exhaust components like the exhaust manifold when the exhaust is pushed upwards.  We fully understand that durability of our products is important.  Thus, like BMW, we incorporate a flex section into our downpipe.  Our flex sections are 100% stainless steel (cheap flex sections only have stainless steel center braids and steel caps) to ensure corrosion resistance.  \u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"giImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"block-imageblock-ImageBlock g2image_centered\"\u003e\n\u003cdiv class=\"one-image\"\u003e\u003ca href=\"https:\/\/www.evolutionracewerks.com\/index.php?q=gallery\u0026amp;g2_itemId=264866\"\u003e\u003cimg alt=\"b46flange1a\" class=\"giThumbnail\" height=\"350\" width=\"263\" src=\"https:\/\/www.evolutionracewerks.com\/sites\/all\/modules\/gallery2\/main.php?g2_view=core.DownloadItem\u0026amp;g2_itemId=264868\u0026amp;g2_serialNumber=2\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC Machined Solid Billet Ball Joint \u0026amp; Stainless Steel Flex Section\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eOne of the main features of our B46 downpipe is the CNC machined solid stainless steel billet ball joint.  The factory downpipe uses a press formed process to produce the \"ball\" joint to connect to the factory exhaust.  This process can be done very inexpensively when done in large productions runs.  Unfortunately, the drawback of this press formed \"ball\" joint is that the interior of the pipe also mimics the outside.  When exhaust flows through a pipe, the majority of the exhaust flow tends to stay on the outer edges of the pipe.  Thus, when exhaust flows into the \"ball\" section, it goes into the valley created by the \"ball\" joint and then back up the other side.  This creates tremedous amounts of turbulence in the exhaust flow right at that section.  Turbulence in turn, slows down exhaust flow velocities as well as increase back-pressure.  It's a well known fact that with turbocharged cars, you want the least amount of back-pressure while still maintaining high exhaust flow velocities.  Why?  Because low back-pressure and high velocities allow the turbocharger to spin faster.  This equates to reducing turbocharger lag and faster spool times.  Throttle response is also improved.  We had originally thought to use the same press form process to manufacture our downpipes.  However, very quickly we noticed this flaw to the process and decided to CNC a solid stainless steel billet \"ball\" joint.  This allowed us to keep the factory connection while keeping the interior of the ball smooth.  This allows the exhaust to flow unrestricted through the \"ball\" joint.  While this CNC solid stainless steel billet was very expensive to manufacturer, our motto at ER is \"Performance, no compromises\".  Our in house testing showed that we did indeed have real world improvements with this new CNC billet \"ball\" joint and thus worth the extra costs.  This is why the N26 downpipes do cost a little bit more than the N20 downpipes as the N20 downpipes do not have the ball joint system but use a traditional slip-fit design which is cheaper for us to manufacturer.  The pictures below show the factory \"ball\" joint cut in half (to show in the interior) versus our CNC solid stainless steel billet \"ball\" joint.\u003c\/p\u003e\n\u003cp\u003eSince we are able to reproduce the factory \"ball\" joint v-band connector, our downpipes are designed to fit perfectly with either the factory exhaust system or your aftermarket exhaust system.  There are no compatibility issues whatsover.  The downpipes will come by default with brushed finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBUILD DATE\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFrom 09\/2020 and on build date cars, BMW changed the downpipe bracket location.  The 09\/2020+ models have one downpipe bracket on top and one on the very bottom.  The 2016 to 08\/2020 build date had one downpipe bracket on top and one on the side.  You need to select the correct build date to ensure you have the correct downpipe bracket alignments.  If you are unsure about which version you need, feel free to contact us or call at 626-334-6609 and we can help you find out which version you need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOPTIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCeramic Thermal Coating -\u003c\/strong\u003e The purpose of ceramic coating downpipes is to keep heat from the exhaust gases inside the downpipe from radiating out.  This keeps underhood temperatures lower and less heat absorption by nearby parts\/surfaces.  Another added benefit is that by keeping in heat (energy) in the exhaust gases inside the downpipe, exhaust flow velocities stay up, resulting in lower backpressure.  The ceramic coating also adds additional corrosion resistance.  We utilize the best ceramic coating possible.  Our thermal coating can resist up to 2000F of heat.  It is available in black only (all the other colors cannot withstand heat that high).\u003c\/p\u003e","brand":"Evolution Racewerks","offers":[{"title":"200 Cell Catted \/ Brushed Finish","offer_id":49803816632636,"sku":"BM-EXH019SCAT","price":850.5,"currency_code":"USD","in_stock":true},{"title":"200 Cell Catted \/ Polished Finish","offer_id":49803816665404,"sku":"BM-EXH019PCAT","price":895.5,"currency_code":"USD","in_stock":true},{"title":"200 Cell Catted \/ Thermal Coated Black","offer_id":49803816698172,"sku":"BM-EXH019TBCAT","price":936.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3070\/1372\/products\/b46dp1a.jpg?v=1675288794"},{"product_id":"awe-track-edition-axleback-exhaust-for-bmw-g2x-330i-430-b46-b48","title":"AWE Track Edition Axleback Exhaust for BMW G2X 330i\/430 B46\/B48","description":"\u003ch1 class=\"product-title h2\"\u003e\u003cspan\u003eAWE Exhaust Suite for the BMW G2X 330i \/ 430i\u003c\/span\u003e\u003c\/h1\u003e\n\u003cdiv class=\"group_item\"\u003e\n\u003cspan class=\"shopify-product-reviews-badge\" data-id=\"6589248798784\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-infor\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"prices\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"short-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe perfect dose of aggression for the BMW G2X 330i\/430i has arrived:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e50-state emissions legal\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEngineered for coupe and sedan\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDyno-verified max gains of +8 hp and +10 lb-ft of torque at the wheels\u003c\/li\u003e\n\u003cli\u003eIncluded OEM sleeve clamp allows easy conversion back to stock exhaust\u003c\/li\u003e\n\u003cli\u003eCrafted from CNC mandrel-bent 3” U.S.-sourced .065” wall T304L stainless steel\u003c\/li\u003e\n\u003cli\u003eAWE Valve Simulator Brackets included\u003c\/li\u003e\n\u003cli\u003eDual 4.5” tips available in chrome silver or diamond black\u003c\/li\u003e\n\u003cli\u003eTrack Edition: 17 lbs, stock: 34.5 lbs\u003c\/li\u003e\n\u003cli\u003eLess is more: clean, straight-through design maximizes performance\u003c\/li\u003e\n\u003cli\u003eAWE Perfect Fitment Guarantee\u003c\/li\u003e\n\u003cli\u003eAWE No CEL Guarantee\u003c\/li\u003e\n\u003cli\u003eAWE Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"MuiTable-root MuiTable-stickyHeader ag-config-fitment-table css-wmmkao\"\u003e\n\u003cthead class=\"MuiTableHead-root css-1wbz3t9\"\u003e\n\u003ctr class=\"MuiTableRow-root MuiTableRow-head css-1gl2d5a\"\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeSmall css-11scrog\" scope=\"col\"\u003eMake\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeSmall css-11scrog\" scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeSmall css-11scrog\" scope=\"col\"\u003eYear\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeSmall css-11scrog\" scope=\"col\"\u003eSubmodel\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeSmall css-11scrog\" scope=\"col\"\u003eEngine base\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeSmall css-11scrog\" scope=\"col\"\u003eDrive type\u003c\/th\u003e\n\u003cth class=\"MuiTableCell-root MuiTableCell-head MuiTableCell-stickyHeader MuiTableCell-sizeSmall css-11scrog\" scope=\"col\"\u003eBody type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"MuiTableBody-root css-1xnox0e\"\u003e\n\u003ctr class=\"MuiTableRow-root 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