Fabspeed BMW M3 & M4 F80 / F82 Secondary Catbypass X-Pipe 2015+
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.
This system was born through a customer’s request for a more aggressive exhaust note out of his M-Performance rear muffler equipped M3 and when it comes to new development we are happy to oblidge. We have developed a secondary catbypass X-pipe to remove the restrictive factory catalytic converters and improve the sound. Up the tone without drone!
– Fits all BMW F80 / F82 M3 & M4 vehicles (2015+) including vehicles equipped with the M-Performance Exhaust. NOTE: Does NOT fit F83 convertible.
– Simple bolt-on installation with NO check engine lights – Minor cutting required for removal of Original parts.
– Dramatic improvement in exhaust tone
– Direct replacement for restrictive and redundant Original 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