Flowmaster's® Flow FX Direct-Fit Muffler exhaust system for the 2017-2026 Ford F250/F350 Super Duty trucks with the 6.2L, 6.8L and 7.3L gas engines gives you a great value packed way to help you customize your Ford truck to your personality. This performance muffler system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a 409 stainless steel Flow FX series "straight-through" muffler for great sound and maximum performance. The muffler then connects to the factory tailpipe for a simple and effective performance upgrade. Max dyno gains of 12 hp and 11 lb-ft at the rear wheels delivers power you can feel. This results in better acceleration and towing performance. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Kits include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty.