In testing, the cat back exhaust produced a max gain of +11 horsepower and +17 ft. lbs. of torque verified by our in house dyno* (tested on 2011 BMW 335i N55)

aFe power introduces the MACH Force-XP cat-back exhaust system for the 2011-2013 BMW 335i (E90 E92) with the L6-3.0L Turbo N55. This system is constructed from 100% TIG-welded, mandrel bent, 304 stainless steel 3 into dual 2-1 2 tubing and incorporates a mitered merge for optimum flow. The smooth transition bends allow for low turbulence, increasing horsepower, torque and improved throttle response. In testing, the cat-back exhaust system produced a max gain of +11 horsepower and +17 ft. lbs. of torque verified by our in house dyno* (tested on 2011 BMW 335i N55). Included in this exhaust system are dual high flow transverse mufflers for increased flow and performance across the power band while maintaining a great tone. To finish off this system are dual aFe laser etched, 3-1 2 black 304 stainless steel tips for an aggressive style.

Aggressive Sound:
This system includes dual free-flowing transverse mufflers to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque.