aFe MACHForce XP Exhausts Cat-Back SS-304 14-17 Mini Cooper S Hardtop 2-Door w/ Polished Tips

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. 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. Dual 3-1/2″ Polished Center Exit Tips: Finishing off the exhaust are dual 3-1/2″ polished stainless steel tips with laser-etched aFe power logos for an aggressive style.