Magnaflow Exhaust 2005-2010 FORD MUSTANG GT - Stainless Cat-Back System PERFORMANCE EXHAUST Features and Benefits: Lifetime Warranty, Dyno Tested And Proven To Make Power, Performance Gains In Horsepower And Torque, Great Sound -Has A Smooth; Deep Tone, Easy To Install, Mandrel-Bent. All Welded. Built To Last.