Product Details
About this part
TCM BMW S55 Catted Downpipes
Free Shipping Continental US
Upgrade from the restrictive stock S55 downpipes to the TCM S55 catted downpipes for increased horsepower. Along with making the car sound more aggressive. The new downpipes will help your turbos spool quicker, so less turbo lag.
Utilizes an oval shaped catalytic converter to maximize the size of the cat. Allowing this product to easily fit through the narrow gap between the frame and engine for easy install, while still maintain a large catalyst for maximum efficiency and minimal airflow disruption.
Features:
- Smooth bends for maximum airflow without any drone
- Oval Catalytic converter to maximize size and airflow
- Adds 20-25 Horsepower
- An increase of 25-30 Ft/lbs of Torque
- DIY Friendly, no cutting needed.
- Fits left and right hand drive.
- Flex Section to reduce vibrations and aid in installation.
- Fitment guaranteed.
- 60 Day Return Policy*
- TCM Lifetime Warranty*
Fitment:
- 2016-2021 BMW M2 F87 Competition/CS Only.
- 2015-2019 BMW M3 F80 All Trim Levels
- 2015-2019 BMW M4 F82 F83(convertible) All Trim Levels
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 60 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
TCM warranty
- TCM parts have a lifetime warranty against manufacturer defects, such as cracks and weld failures.
- TCM intake manifolds and electronics, such as lights and paddle shifters, have a 1-year warranty from the date of purchase.
- Wear and tear on wear items isn't covered. Wear items are parts that wear out with normal use, such as filters, gaskets and clamps.
- Road damage, finishes and faulty installation aren't covered.