In testing, the cat-back exhaust system resulted in gains up to +6 horsepower and +11 lbs. x ft. of torque, as measured on our in-house dyno Constructed Of 3" Mandrel Bent Stainless Steel Tubing Unique dual, 3.5" Dia. Black Stainless Steel Middle Exit Tips w/Laser-etched aFe Power Logos Comes Complete With All Necessary Hardware For a Hassle-free Installation Fits 2007-2014 In North America, 2007-2016 Export