Our Force II® cat-back single exhaust system for 2008-2013 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 the 5.4L, 6.2L and 6.8L engines and features all stainless steel mandrel-bent construction, a 50 Series HD performance muffler exiting into a large single 3.00-inch mandrel-bent stainless tailpipe for maximum performance. The system uses the factory hanger locations, is finished off with a large 3.50-inch polished 304 stainless steel tip and is covered by our Lifetime 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. Note: Fits 2/4 wheel drives and all wheelbases.