CTS Turbo F2x/F3x/G20/G30/230i/330i/430i/530i & XDrive B46 High-Flow Cat

The CTS Turbo High-Flow Cat for the B46 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your B46'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.

• 2016-2021 F2X 230i & xDrive
• 2016-2018 F3X 330i & xDrive
• 2019-2022 G20 330i & xDrive
• 2015-2019 F3X 430i & xDrive
• 2017-2021 G30 530i & xDrive

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.