The aFe MACHForce XP cat-back exhaust for 2011–2013 BMW 335i (E90/E92) N55 delivers a freer-flowing system built from 304 stainless with mandrel bends and a crossover balance tube. Using factory mounting points, it adds an aggressive yet refined tone while trading up to about 11 HP and 10 lb-ft of torque. Dual polished tips and high-quality clamps support a straightforward, clamp-on installation.
aFe MACH Force XP SS-304 Polish Tip 3.0in-2.5in Dia Cat Back Exhaust 11-13 BMW 335i (E90/E92) 3.0L