This new Flowmaster® FlowFX® axle-back exhaust system for the 6.2-Liter engine is manufactured using durable 409 stainless steel throughout and features 3.00-inch mandrel bent pipes for better exhaust gas flow. FlowFX "straight-through" mufflers are used for an aggressive to moderate sound level and maximum performance. Maximum increases on the dyno revealed +8 hp and +15 lb.ft. at the rear wheels. This dual exit system has 4.50-inch black ceramic tips with the Flowmaster logo embossed in them for added style and a custom look. This system uses all the existing factory hanger locations and include installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.