Product Details
About this part
The 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!
Designed 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.
Product Details:
- Precisely designed and tested on a real car in the real world
- T304 stainless steel, TIG welded back-purged construction
- Replaces restrictive factory downpipe with high-flow 200cell catalytic converter
- Great power upgrade with uncompromising performance
- Incredible sporty exhaust sound, subtle when cruising
- No drone with factory exhaust
We recommend replacing the downpipe gasket when installing, factory BMW gasket 18328612538 is required (not included).
Catalytic converters damaged by “crackle tune” are not covered under warranty.
Does not fit B58TU2 aka B58 Gen 3
- 2016+ F20 BMW M140i
- 2016+ F22 BMW M240i & M240i xDrive
- 2016+ F30/F31/G20 BMW 340i & 340i xDrive
- 2016+ F32/F33/F36/G22/G23/G26 BMW 440i & 440i xDrive
- 2016-2024 G30/G31 BMW 540i & 540i xDrive
- 2016-2024 G11/G12 BMW 740i & 740i xDrive
- 2018-2024 G01 BMW X3 M40i xDrive
- 2018-2024 G02 BMW X4 M40i xDrive
- 2019-2023 G05 BMW X5 40i xDrive
- 2019-2023 G06 BMW X6 40i xDrive
Stage 2 software is required to avoid check engine light. Only fits cars without GPF/OPF.
Fitment
Not sure it fits? Contact us with your car's year, model and VIN and we'll help you confirm before you order.
If a part doesn't fit as expected, contact us and we'll work with you to resolve it.
Majority of products have a fitment section in the product description or within the title.
Returns
- Unused, uninstalled parts can be returned or exchanged within 30 days of the order date.
- To start a return: Contact us first, don't use Return to Sender.
- Returns can have up to a 20% restocking fee.
- Built-to-order and special-order items can't be returned or cancelled once production begins.
Shipping
- Orders are processed 7 days a week to ensure your product ships as quickly as possible.
- Inspect parts within 10 days of delivery, and reach out regarding any damage or missing pieces.
See our Tariff Policy
Warranty
- All parts retain the manufacturer's warranty.
- Warranty claims are subject to the manufacturer's approval.
