Description Videos Reviews The aFe Power MACH Force XP exhaust system for the MINI Cooper S (F56/F57). In recent testing, this system produced 16 horsepower and 32 lbs. x ft. of torque. This exhaust system is constructed from 2.5" brushed finish, mandrel bent, 304 stainless steel and is TIG-welded. This system uses a high flow, brushed, 304 stainless steel, single in dual out muffler which improves performance across the power band while maintaining a great tone. To finish off this system are dual aFe laser etched, 3.5" 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 Converter:The rear cat is retained on this system to maintain a smooth deep sound but more importantly to keep the system street legal. Leak-Free Seal:High quality OE style flanges and 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. Testing:Up to 31% increase in Flow 14" Muffler:This system incorporates a large 14" stainless steel muffler which produces a mellow sound while virtually eliminating exhaust drone. Dual 3-1/2" Black Center Exit Tips:Finishing off the exhaust are dual 3-1/2" black stainless steel tips with laser-etched aFe power logos for an aggressive style. Flow and Performance: This MACH Force-Xp cat-back exhaust system is constructed of 2-1/2" mandrel bent 304 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque. Retains Rear Catalytic Converter:The rear cat is retained on this system to maintain a smooth deep sound but more importantly to keep the system street legal. Fitment Note: This item will only fit F56 Hatchback and F57 Convertible models Emissions Disclaimer: This product does not require a CARB EO# All aFe exhaust systems are engineered and manufactured in our Corona, California facility. Includes a high-flow stainless steel muffler Constructed 2.5" TIG-welded mandrel-bent, 304 stainless steel tubing Includes dual 3.5" diameter Black Stainless steel tips Utilizes factory mounting locations for easy direct bolt-on installation All hardware and clamps are included for a hassle-free installation Dual center exit exhaust system Fits: 2 Door Vehicles Installation Instructions aFe POWER 2014-2017 Mini Cooper S L4-2.0L (t) Hardtop 2-door Cat-Back Exhaust System Sound Clip 2014-2017 Mini Cooper S L4-2.0L (t) Hardtop 2 Door Equipped wi...