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Supplier details checked 2026-09-23 · Test catalog
Fits 2008-2013 Ford F-250/F-350 Super Duty with V8 or V10 gas engine. - Moderate sound
Flowmaster Force II Cat-back Exhaust System
Includes Hangers and Hardware for an Easy Installation
Dual 3.50-inch Polished 304 Stainless Steel Tips
Mandrel-bent 16 Gauge Stainless Steel Tubing
Uses the Factory Hanger Locations
Connects After Factory Resonator
50 HD Series Performance Muffler
Moderate Sound Exterior Tone
Quick and Easy Installation
Lifetime Limited Warranty
Flowmaster Quality
Fits 2008-2013 Ford F-250/F-350 Super Duty with V8 or V10 gas engine.
Flowmaster 08-13 Ford F250 GAS Force II Cat-Back SS Exhaust System
0813 FORD F250 GAS FII DORS 409S
SYS 08-13 FORD F250
The Force II® Cat-back exhaust system for 2008-2013 Ford F-250/F-350 Super Duty trucks with a V8 or V10 gas engine is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions-legal system features a 50 HD Series™ performance muffler with large 4.00-inch internals and dual mandrel-bent 2.50-inch 409 stainless steel tailpipes for maximum performance and a deep powerful sound. The system comes with your choice of tailpipe exits and can be configured for either straight out the back under the rear bumper for a muscular look, or out the sides behind the rear wheels which is ideal for towing. The tailpipes are finished off with a pair of large 3.50-inch polished 304 stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for easy installation you can do at home.
SYS 08-13 FO
