Fabspeed Secondary Cat Bypass X-Pipe for BMW M3/M4 (F8x) [S55]
Increase power and sound with a free-flowing x-pipe section that replaces the restrictive and redundant factory secondary catalytic converters for increased exhaust flow.
- Fits all BMW F80 / F82 M3 & M4 vehicles (2015+) including vehicles equipped with the M-Performance Exhaust. Does NOT fit F83 convertible.
- Simple bolt-on installation with NO Check Engine Lights - Minor cutting required for removal of OEM part on Standard M3 / M4 Model
- Dramatic improvement in exhaust tone
- Direct replacement for restrictive and redundant OEM secondary catalytic converters
- Constructed in-house at Fabspeed from 14-16ga CNC mandrel-bent T304L stainless steel
- Flanges and braces waterjet cut and CNC milled in-house by our precision machine shop
- Simple bolt-on installation with NO check engine lights
- All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
- INCLUDES OEM GASKETS
- BMW M3 (F80) [S63]
- BMW M4 (F82) [S63]
- BMW M3 (F80) [3.0L I6 Twin-Turbo S55]
- BMW M4 (F82/F83) [3.0L I6 Twin-Turbo S55]