The CTS Turbo high-flow cat for BMW N55 (Pneumatic 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.
- 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 proper Bootmod3 software upgrade is strongly recommended. For OFF-ROAD use only.
Catalytic converters damaged by “crackle tune” are not covered under warranty.
F30 BMW 335i & 335xi 2012 – 07/2013
F20/F21 BMW M135i & M135xi 2012 – 07/2013
135i or 335i with a production date after 07/2013 will need the 4″ downpipe: