CTS Turbo Catless 3.5" Downpipe BMW N55 (Pneumatic Wastegate)

CTS-EXH-DP-0022
  • Sale
  • $237.99 USD
  • Regular price $279.99 USD


The CTS Turbo Catless Downpipe BMW N55 (Pneumatic Wastegate) is made to maximize exhaust flow for 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. Use of proper Bootmod3 software upgrade is strongly recommended. For OFF-ROAD use only.

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: