Our Force II® cat-back single exhaust system for 2005-2007 Ford F-250/F-350 trucks is perfect for the person looking for a moderate exterior sound level with a mild interior tone with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions legal system fits trucks with either a V8 or V10 engine and features all aluminized steel mandrel-bent construction, a 70 Series Big Block II™ performance muffler exiting into a large single 3.00 in. mandrel-bent tailpipe for maximum performance and mild sound. The system is finished off with a large 3.50 in. polished stainless steel tip and is covered by our 3-year Limited Warranty. Especially recommended for towing applications. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts and hardware for easy installation you can do at home. Covered by our 3-year Limited Warranty. For those who prefer a full stainless steel exhaust system covered by our Lifetime Limited Warranty, please check out part #817422. Note: Fits 2/4 wheel drive and all wheelbases.