This Flowmeter® cat-back exhaust system is manufactured using durable 409 stainless steel throughout and features 3.0-inch mandrel bent pipes for better exhaust gas flow, and dual Flowmaster Outlaw Series "straight-through" mufflers for an aggressive sound level and maximum performance. Maximum increases on the dyno revealed an increase of 23 hp and 23 ft/lbs. at the rear wheels. This system exits out dual dump style tail pipes for an aggressive sound and maximum ground clearance. The system uses all the existing factory hangers. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.