The CTS Turbo High-Flow Cat for the BMW BN26 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.

The use of Bootmod3 stage 2 software is required to avoid the CEL from coming on.

Only fits cars without GPF/OPF

NOTE: Catalytic converters damaged by crackle tune are not covered under warranty.

Features:

• 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

What's Included:

• CTS Turbo High-Flow Cat

Fitment Details:

• 2013-2017 BMW F2X 228i & xDrive
• 2012-2016 BMW F3X 328i & xDrive
• 2014-2016 BMW F3X 428i & xDrive