This Flowmaster® Outlaw Direct-Fit Muffler system for the 2021-2024 Ford F-150 trucks with the 2.7, 3.5 or 5.0-liter engines is manufactured using durable 409 stainless steel throughout and features 3.00-inch mandrel bent pipes for optimum exhaust gas flow. A Flowmaster Outlaw Series muffler is used for an aggressive sound level and maximum performance. Performance increases on the dyno revealed an increase of 16 hp and 21 ft/lbs. at the rear wheels. This system connects directly to the factory dual tail pipes and 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. Large 3.0-inch Mandrel bent pipes for superior flow and power Flowmaster Outlaw series muffler offers race proven performance Powerful exhaust note with an aggressive sound level that's a perfect balance of sound and power Max power gains of 16 hp and 21 lb-ft at the rear wheels 409 stainless steel constuction for extra durability Connects directly to the factory dual tailpipes for a simple installation Lifetime limited WarrantyLearn More