The CTS Turbo Catless Downpipe for the M340 and Z4 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. CTS Turbo recommends choosing a High Flow Cat for the sake of our environment!

Use of stage 2 software upgrade is strongly recommended to avoid the CEL from coming on.

2020+ M340

2020+ Z4