The aFe MACHForce XP cat-back for 2011–2013 BMW 335i (E90/E92) N55 uses 304 stainless construction, mandrel-bent piping and a crossover balance tube to boost flow and tune exhaust pulses. It’s a direct-fit system that claims up to 11 HP and 10 lb-ft gains while providing a fuller sound. This version finishes with black tips and installs using factory mounting locations for a hassle-minimized fit.
aFe MACH Force XP SS-304 Black Tip 3.0in-2.5in Dia Cat Back Exhaust 11-13 BMW 335i (E90/E92) 3.0L