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.
- Precisely designed and tested on a real car in the real world
- T304 stainless steel, TIG welded back-purged construction
- Replaces restrictive factory downpipe with high-flow 200cell catalytic converter
- Great power upgrade with uncompromising performance
- Incredible sporty exhaust sound, subtle when cruising
- No drone with factory exhaust
The use of Bootmod3 stage 2 software is strongly recommended to avoid the CEL from coming on.
Catalytic converters damaged by “crackle tune” are not covered under warranty.
- 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
Stage 2 software is required to avoid check engine light. Only fits cars without GPF/OPF.