The CTS Turbo High-Flow Cat for the BMW B46 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 with high-flow 200 cell 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.

• 2016-2020 F20/F22 BMW 220i, 230i including xDrive (B46 2.0T engine)
• 2016-2020 F30/F31 BMW 320i, 330e, 330i including xDrive (B46 2.0T Engine)
• 2016-2020 F32/F33/F36 BMW 420i, 430i including xDrive Models (B46 2.0T Engine)
• 2016 – 2020 G30 BMW 530i, 530e including xDrive Models (B46 2.0T Engine)
• 2016-2020 G11 BMW 730i, 740e including xDrive Models (B46 2.0T Engine)
• 2019-2023 G20 BMW 320i, 330i including xDrive (B46 2.0T Engine)
• 2019+ G29 BMW Z4 30i (B46 2.0T Engine)
• 2020+ A91 Toyota Supra 2.0 (B46 2.0T Engine)

Catalytic converters damaged by “crackle tune” are not covered under warranty.

Stage 2 software is required to avoid check engine light. Only fits cars without GPF/OPF.