The aFe MACHForce XP cat-back exhaust for 2008–2013 BMW M3 (E90/E92/E93) S65 4.0L is a mandrel-bent 304 stainless system that improves flow and sound while using factory mounting points for simple installation. It includes polished tips, a free-flowing muffler to tame high frequencies, and production techniques aimed at consistent fitment and a more usable exhaust character on street and track.
aFe MACH Force XP Exhaust Cat-Back 2.5in Dia Carbon Fiber Tips SS-304 08-13 BMW M3 (E90) V8 4.0L