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Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Fits 2008-2013 Ford F-250/F-350 truck with V8 or V10 engine. - Mild sound
Flowmaster Force II Cat-back Exhaust System
Includes Hangers and Hardware for an Easy Installation
Mandrel-bent 16-gauge Aluminized Steel Tubing
Large 3.50-inch Polished Stainless Steel Tip
Dyno Tuned for Maximum Performance
Uses the Factory Hanger Locations
Moderate Exterior Exhaust Tone
70 Series Performance Muffler
Quick & Easy Installation
Fits 2008-2013 Ford F-250/F-350 truck with V8 or V10 engine. Fits 2 and 4-wheel drive models and all wheelbases.
Flowmaster 08-13 Ford F250 SD GAS Force II Cat-Back Exhaust System
0813 FORD F250 SD GAS FII SOS
SYS 08-13 FORD F250
For the person who wants a subtle custom appearance with all the benefits that a Flowmaster® Cat-back exhaust system provides. This Force II® system is constructed mandrel-bent 3.00-inch aluminized steel tubing flows into a 70 Series Big Block II™ performance muffler keeping things mellow inside the cab area of the vehicle. The system uses the factory hanger locations and the 3.00-inch tailpipe is finished off with a large 3.50-inch polished stainless steel tip. Like all Flowmaster systems, benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty. For those who prefer all stainless steel construction with a Lifetime Limited Warranty, check out part# 817446. Note: Fits both 2 and 4 wheel drive models and all wheelbases.
SYS 08-13 FO
