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Supplier details checked 2026-09-23 · Test catalog
Fits 2017-2026 Ford F250/F350 Super Duty with 6.2, 6.8 and 7.3-Liter V8, Flow FX Cat-Back, Dual Side Exit, Stainless Steel Exhaust System
Flowmaster Flow FX Cat-Back Exhaust System
Flow FX “straight through” performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
3.50 to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
Includes complete hardware and factory styled hangers in the stock locations for an easy installation
Max increases of up to 11 hp and 15 lb-ft over the stock exhaust at the rear wheels
4.50-Inch black ceramic coated tips add a custom look to the truck
2017-2025 Ford F250/F350 Super Duty with 6.2L/6.8L/7.3L-Liter engines. Fits 2 & 4-wheel drive, All Wheelbases.
Flowmaster 17-25 F250/F350 6.2/6.8/7.3L FlowFX DOS Cat-Back Exhaust System
1725 F250F350 626873L FFX DOS
SYS 17-25 F250/F350
This Flowmaster® Flow FX® cat-back exhaust system for the 2017-2025 Ford F250/F350 Super Duty trucks with the 6.2, 6.8 or 7.3-liter engine is manufactured using durable 409 stainless steel throughout and features 3.5 to dual 3.0-inch mandrel bent pipes for better exhaust gas flow. 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. This system exits out both sides, behind the rear wheels with 4.50-inch black ceramic tips 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.
SYS 17-25 F2
