The CTS Turbo Catless Downpipe BMW B58 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.
- 4.5″ downpipe, reducing down to 3.15″ or 80mm for perfect fitment to a factory or aftermarket exhaust
- 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
We recommend replacing the downpipe gasket when installing, factory BMW gasket 18328612538 is required (not included).
- 2016+ F20 BMW M140i
- 2016+ F22 BMW M240i & M240i xDrive
- 2016+ F30/F31/G20 BMW 340i & 340i xDrive
- 2016+ F32/F33/F36/G22/G23/G26 BMW 440i & 440i xDrive
- 2016+ G30/G31 BMW 540i & 540i xDrive
- 2016+ G11/G12 BMW 740i & 740i xDrive
- 2018+ G01 BMW X3 M40i xDrive
- 2018+ G01 BMW X4 M40i xDrive
- 2019+ G01 BMW X5 40i xDrive
Stage 2 software is required to avoid check engine light. Only fits cars without GPF/OPF.