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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.
Product Details:
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.
Application guide
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:
