This Flowmaster® Flow FX Extreme cat-back exhaust system for the 2022-2025 Toyota Tundra with the 3.4-liter engine is manufactured using durable 409 stainless steel throughout and features 3.0-inch mandrel bent pipes for better exhaust gas flow. A straight through Flow FX series muffler is used for maximum performance and delivers an aggressive to moderate sound inside and out. This system exits under the truck with a dump style turn down tip for added style and better ground clearance when driving off-road. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.