aFe Power Gas Cat-Back Exhaust System for BMW 328i xDrive E90/E92 2009 - 2011

Introducing the new aFe Power MACH Force XP cat back exhaust system for the 07-13 BMW 328i E92 & E93 non-turbo. In recent testing, this system produced 4 horsepower and 8 lbs. x ft. of torque. This exhaust is constructed from 2. 5" brushed finish, mandrel bent, 304 stainless steel and is TIG-welded. A high flow, 304 stainless steel, single in dual out muffler was used to maximize performance across the power band while maintaining a great tone. To finish off this exhaust are dual, aFe laser etched, 3" polished 304 stainless steel tips. This exhaust uses all factory hanger locations. Note: Cutting is required and should be performed by a skilled technician..Retains Rear Catalytic Converters:The rear cats are retained on this system to maintain a smooth, deep sound but more importantly to keep the system street legal.Mitered Merge Collector: Mitered collectors decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response. Leak-Free Seal:High quality band clamps are used for a complete 360 degree sealing surface. Aggressive Sound:A 16" free-flowing muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque.Emissions Disclaimer: This product does not require a CARB EO# All aFe exhaust systems are engineered and manufactured in our Corona, California facility.