CTS Turbo Catless 4″ Downpipe BMW N55 (Electric Wastegate)

Code: CTS-EXH-DP-0023

US$279.99 US$237.99

In Stock

Disclaimer * 

Included Warranty

12 Months
All CTS Turbo products are warrantied against manufacturing defects for a period of 12 months from the date of invoice. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective the customer will receive, at the discretion of CTS Turbo, free repair or replacement. Warranty on other manufacturers will be processed under their terms.


The CTS Turbo Catless Downpipe BMW N55 (Electric 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 Bootmod3 downpipe software upgrade is strongly recommended. For OFF-ROAD use only. 

Download the installation guide: Here 

Application guide

F30 BMW 335i & 335xi Production date after 07/2013

F20/F21 BMW M135i & M135xi Production date after 07/2013

F32/F33 BMW 435i & 435xi 2013+

F22 BMW M235i & M235xi 2013+
F87 BMW M2 2015+


Additional information

Weight 12 lbs



Make Model Year Generation
BMW 335i 2013 - 2015 F30
BMW 335i xDrive 2013 - 2015 F30
BMW 435i 2013 - 2016 F32
BMW 435i xDrive 2013 - 2016 F32
BMW M135i 2014 - 2016 F22
BMW M2 2015 - 2018 F87
BMW M235i 2014 - 2016 F22
BMW M235i xDrive 2014 - 2016 F22

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