This Flow FX® Cat-back exhaust system is for 2009-2021 Toyota Tundra with 4.0L, 4.6L, 4.7L or 5.7L engine and is a bolt-on emissions legal system with a moderately aggressive exterior sound and a moderate interior tone. The system features 304 stainless steel construction for long life, and a specially designed dual inlet Flow FX® "straight-through" performance muffler flowing into dual 2.50-inch mandrel-bent tailpipes for maximum performance. The tailpipes exit out the sides behind the rear wheels, which is beneficial for towing, and are finished off with a pair of large 4.50-inch black ceramic coated stainless steel tips. The system includes all necessary parts and hardware for easy at home installation and is covered by our Lifetime Limited Warranty.. Fits 2009-2021 Toyota Tundra with 4.0L, 4.6L, 4.7L or 5.7L engine. 2/4 wheel drive models. Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.. 2009-2021 Toyota Tundra with 4.0L, 4.6L, 4.7L or 5.7L engine, 2/4 Wheel Drive - Flow FX Stainless Steel Cat-back Exhaust System - Aggressive to moderate sound. Flow FX "Straight-through" Performance Muffler for Sound and Performance. Flowmaster 09-21 Toyota Tundra 5.7L FlowFX Cat-Back DOS Exhaust System. Dual 2.50-inch Mandrel-bent 16-gauge Tubing Maximizes Exhaust Flow. Large 4.50-inch Black Ceramic Coated Stainless Steel Tips . Uses the Factory Hanger Locations for Easy Installation. Deep Powerful Performance Sound and Great Tone. 409 Stainless Steel Construction for Long Life. Flowmaster Flow FX Cat-back Exhaust System. 0921 TOYOTA TUNDRA 57L FFX CB DOS. Clears the Factory Spare Tire. Lifetime Limited Warranty. SYS 09-21 TOYOTA TUN. SYS 09-21 TO

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