Flowmaster's Force II Axle-back exhaust system for 2017-2018 Ford F-250/F-350 Super Duty with the 6. 2L V8 is perfect for the person looking for a moderate exterior and mild interior exhaust tone, with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal system features a stainless steel 50 Series HD muffler and dual 3. 00 inch mandrel bent tailpipes. The system finishes with large 4. 00 inch polished Flowmaster stainless steel tips for a modern look, and can exit out to the rear or the side of the bumper. The system is designed for an easy fit and includes all necessary parts and hardware for installation.