The aFe MACH Force-Xp 2.5" 304 stainless steel cat-back for the 2005–2008 BMW Z4 M Coupe is a bolt-on exhaust system featuring mandrel-bent tubing, dual high-flow mufflers, and quad 3" black stainless tips. Hand TIG-welded construction, OE-style bayonet hangers, and included hardware simplify installation. In-house testing showed gains up to +7 hp and +15 lb-ft of torque.
aFe MACH Force-Xp 2-1/2in 304 SS Cat-Back Exhaust w/ Black Tips 05-08 BMW Z4 M Coupe (E86) L6 3.2L