CTS Turbo Race 4″ Downpipe BMW N55 (Electric Wastegate) X4 M40i
Ships free in the US
Make sure this fits your car
Fits: 335i / 335is / 435i (N55) E9X/F3X
- Shop tested in Dallas
- Free pickup in Dallas
- Installs at our shop
The CTS Turbo Catless Downpipe BMW N55 (Electric Wastegate) 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
Great power upgrade with uncompromising performance
Incredible sporty exhaust sound, subtle when cruising
No drone with factory exhaust
To remove the CEL that will occur, proper tuning software must be used. The use of a Bootmod3 downpipe software upgrade is strongly recommended. For OFF-ROAD use only.
Application guide (does not fit RHD vehicles)
BMW X4 F26 M40i (2014-2018)
Listed for these cars. Check the title and description for exact years, body styles and drivetrain.
| Make | Model | Chassis | Years | Fits |
|---|---|---|---|---|
| BMW | 335i / 335is / 435i (N55) | E9X/F3X | 2011–2016 |
Not sure? Call or text 945-954-1142 with your car or VIN.
- Free US shipping on orders over $250.
- Free pickup at our Dallas shop, usually ready within 24 hours.
- Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
- Want it installed? Book the install at thegbmotors.com.
Full details are on our shipping and returns page.
More for your build
CTS Turbo F-series BMW N55 EWG BOSS Turbo Upgrade kit
CTS Turbo 3.5″ High-Flow CAT BMW N55 (Pneumatic Wastegate)
CTS Turbo Race 4″ Downpipe BMW N55 (Electric Wastegate)
