Shop By Vehicle

Shopping for your: Shop My Car
Manage Manage Vehicles

You're viewing parts for , but your selected vehicle is a .

CTS Turbo

CTS Turbo Catless 4" Downpipe BMW N55 (Electric Wastegate) X4 M40i

PART#: CTS-EXH-DP-0023-M40i

$299.99

Backorder "Ships in" reflects an estimated lead time before this item will leave via the shipping method selected. Please Note: Selecting an expedited shipping method during the checkout process will not change the "Ships in" time frame.

View wishlist

The CTS Turbo Catless Downpipe 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 a Bootmod3 downpipe software upgrade is strongly recommended. For OFF-ROAD use only.

Application guide (does not fit RHD vehicles)

BMW X4 F26 M40i (2014-2018)


CTS Turbo
ABOUT THE BRAND

CTS Turbo

Canadian performance company based near Vancouver, British Columbia, focused almost entirely on VW and Audi. The range includes turbocharger upgrade kits, intakes, intercoolers, downpipes, and ECU tuning for 1.8T, 2.0T, and TSI engines.

Shop All CTS Turbo Parts