Description

BMW N55 4″ High Flow Catted Downpipe – CTS Turbo CTS-EXH-DP-0023-CAT

The CTS Turbo High-flow Cat for 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 Bootmod3 downpipe 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 Production date after 07/2013
F20/F21 BMW M135i & M135xi Production date after 07/2013
F32/F33/F36 BMW 435i & 435xi 2013+
F22 BMW M235i & M235xi 2013+
F87 BMW M2 2015+

CTS Turbo is an automotive parts manufacturer and wholesaler specializing in performance aftermarket parts for late-model Volkswagen, Audi, and BMW platforms. We pride ourselves on being a leader in our industry, offering an unparalleled level of customer service, technical expertise, and high end products. From cold air intakes, catch can kits, performance exhausts, to turbo kits – our team of engineers and fabricators are working hard to develop the performance parts for your car.