CTS Turbo 4.5 Inch High-Flow Cat Downpipe BMW 340i | 440i | 540i | M140i | M240i | M340i 2016-2021

$459.99 USD

Select your vehicle to confirm fit

CTS Turbo – Downpipes. Fits BMW 340i F30/F31, BMW M340i G20.

  • Made to order — subject to stock confirmation.
  • Your card is authorized now, charged only once we confirm stock (usually within 24 hours).
  • Ships from our Wisconsin warehouse. Delivery 3–7 business days.
  • Ships direct from our supplier network — delivery depends on supplier availability.
  • Not sure it fits? Ask us →
The CTS Turbo High-Flow Cat for the BMW B58 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.

Features:

  • 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

Fitment:

  • BMW 340i/440i 2016-2019
  • BMW 540i 2017-2019
  • BMW 140i 2016-2019
  • BMW M240i 2016-2021
  • BMW 340i 2019-2021
Proposition 65

âš WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Fitment: BMW 340i F30/F31 (2016-2018) B58 3.0T; BMW M340i G20 (2020-2026) B58 3.0T

Please confirm year, trim and engine before ordering.

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