A Flow FX "straight-through" muffler is used for an aggressive to moderate sound level and maximum performance. Maximum increases on the dyno revealed +11 hp and +15 lb-ft at the rear wheels. Fits 2017-2025 Ford F250/F350 Super Duty with 6.2 and 7.3-Liter V8, Flow FX Cat-Back, Dual Side Exit, Stainless Steel Exhaust System.
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