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

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

CTS Turbo

  • $369.99
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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!nnDesigned 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″



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