Replace your faulty or old front performance-robbing catalytic converter with the all new aFe Power Race Pipe for the 2007-2013 MINI Cooper S (R56) L4-1.6L (t). Our Twisted Steel Race Pipe is designed for optimum flow creating a performance gain of +10 horsepower and +9 ft. lbs. of torque. Constructed from 2-1/2" stainless steel tubing and 6" flex tube with an internal interlock liner this system adds an aggressive sound and increase throttle response that will keep you coming back for more. Twisted Steel 2-1/2 IN 304 Stainless Steel Race Pipe MINI Cooper S (R56) 07-13 I4-1.6L(t) N18 MINI Cooper S (R56) 07-13 I4-1.6L(t) N18