The aFe Mach Force-XP Stainless Steel Cat-Back Exhaust System improves exhaust flow and sound on the BMW G80/G82 M3 and M4 while maintaining street-friendly drivability.
Constructed from mandrel-bent stainless steel, the system features a straight-through muffler design that delivers a deep, aggressive tone without excessive drone. Installation uses factory mounting points with no cutting required.