Introducing the new Flowmaster Flow FX® Cat-back exhaust system for the 2009-2021 Toyota Tundra with 4.6L, 4.7L or 5.7L engine. This bolt-on emissions legal system is perfect for the person looking for an exhaust with a moderately aggressive interior and exterior tone with all of the performance benefits that you would expect from Flowmaster®. Features include dual 2.50-inch stainless steel mandrel-bent inlet tubes flowing into a Flow FX straight-through performance muffler, giving a deep powerful tone outside the truck with a deep mellow tone inside the cab. The dual 2.50-inch tailpipes exit in front of the passenger side rear tire and are finished off with a pair of large 4.00-inch double wall black ceramic coated stainless tips. The system includes all necessary parts, hardware and detailed instructions for an easy at home installation. Notes: Fits 2/4 Wheel drives with 145-inch wheelbase. Does Not fit standard cab shortbed or Double cab long bed models.