aFe Power MACH Force XP Axle-back exhaust system for the 2012-2015 BMW 335i (F30) with the N55 turbo engine producing +4 horsepower and +5 lbs. x ft. of torque, in recent testing. The system was designed and engineered with the perfect tube diameter and lengths, ultimately maximizing performance across the power band while maintaining a great tone with an aggressive sound during shifting. To finish off this exhaust are dual, aFe laser etched, 3.50 IN polished 304 stainless steel tips
