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 BMWs 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 BMW F2X 230i & xDrive
• 2016-2018 BMW F3X 330i & xDrive
• 2019-2022 BMW G20 330i & xDrive
• 2015-2019 BMW F3X 430i & xDrive
• 2017-2021 BMW 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.