The CORSA X-Pipe opens the exhaust path improving flow dynamics. Benefits include; increased flow, improved HP and TQ, smoothed trailing throttle, and a more refined exhaust note.Specifications: Description_ASC Intended for race use only; not legal for sale or install on licensed vehicles in the state of California Description_DES Off Road X-Pipe Description_EXT 2.75in. Off Road X-Pipe Description_FAB Improves Exhaust Flow Description_FAB Increased Horsepower And Torque Description_FAB Premium Stainless Steel Construction Description_FAB Limited Lifetime Warranty Description_FAB Off Road Description_FAB Direct Bolt Up To CORSA Exhaust Systems Description_INV Off Road X-Pipe Description_LAB 11-14 Mustang GT 5.0LV8; 2.75in. X-Pipe Description_MKT The CORSA X-Pipe opens the exhaust path improving flow dynamics. Benefits include; increased flow, improved HP and TQ, smoothed trailing throttle, and a more refined exhaust note. Description_SHO Exhaust This Part Fits: Year Make Model Submodel Notes 2011 Ford Mustang GT 2012 Ford Mustang GT 2013 Ford Mustang GT 2014 Ford Mustang GT