This Flowmaster® Flow FX Direct-Fit Muffler system for the 2021-2026 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 Flow FX Series muffler is used for an aggressive to moderate sound level and maximum performance. Performance increases on the dyno revealed an increase of 18 hp and 14 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 One (1) Year Limited Warranty.. This system replaces ONLY the Factory muffler and over axle pipes and reuses the factory dual tail pipes and tips. Does not fit PowerBoost hybrid models. Does not fit models with OEM active exhaust option.. Fits 2021-2026 Ford F-150 with 2.7, 3.5 and 5.0-liter non-PowerBoost engines with factory dual tailpipes. Connects directly to the factory dual tailpipes for a simple installation. Large 3.00-inch Mandrel bent pipes for superior flow and power. Flowmaster Flow FX series muffler offers increased performance. Flow FX straight through design offers a deep powerful sound. Max power gains of 18 hp and14 lb-ft at the rear wheels. 409 stainless steel constuction for extra durability. Flowmaster 21-25 F-150 FlowFX Direct Fit Muffler. Flowmaster Flow FX Direct Fit Muffler. 2125 F150 DIRECT FIT MUFFLER FFX. One (1) Year Limited Warranty. MUFF 21-26 F-150 DF. MUFF DF ASMB

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