The aFe MACH Force-Xp cat-back system for 2008–2013 BMW M3 (E90/92/93) V8 4.0L S65 is constructed from 2-1/2-inch 304 stainless steel tubing and includes dual high-flow catalytic converters and a resonator. It uses factory-style laser-cut flanges to seal and is designed to fit stock locations with no cutting or modifications required. All joints are 100% TIG-welded for strength and durability.
aFe 08-13 BMW(E90/92/93) MACH Force XP 304 Stainless Steel V8 4.0L w/ Cat & Resonator