The aFe MACH Force-XP cat-back exhaust for the BMW Z4 M40i (G29) is a polished 3" to 2-1/2" 304 stainless steel system with mandrel-bent tubing, TIG welds, and quad 3-1/2" polished clamp-on tips. It includes factory-style hangers and an exhaust valve (uses factory motor) for direct bolt-on installation, engineered to improve flow and deliver a more aggressive exhaust note while retaining factory valve control.
aFe 19-24 BMW Z4 M40i (G29) L6-3.0L (t) B58 MACH Force-Xp 3in to 2-1/2in SS CB Exhaust - Polished