Description
FlowFX Cat-Back Exhaust System; 3.5 in. Tubing; Single Side Exit; 409 Stainless Steel;
The new Flowmaster(R) FlowFX(R) cat-back exhaust system for the 2017-2021 Ford F-250/F-350 Super Duty trucks with the 6.2 or 7.3-liter engines is manufactured using durable 409 stainless steel throughout and features 3.50-inch mandrel bent pipes for better exhaust gas flow, and a FlowFX “straight-through” muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +7.1 hp and +11.6 lb-ft at the rear wheels. This system exits out the side, behind the rear wheel with a 5.00-inch black ceramic tip for added style and a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster’s Lifetime Limited Warranty.
Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more.
Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels.
Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles. 
