For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.R./D.O.S. systems are the perfect choice, and include exit pipes for both dual out rear and dual out side configurations so that you can choose the one that fits your style. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.Features: Mandrel Bent 16 Gauge Aluminized Tubing 3 Year Limited Warranty Moderate to Aggressive Exterior Exhaust Tone Includes Hangers and Hardware For Easy Installation Connects After Factory Catalytic Converter Dual Out Rear Or Dual Out Side Exit Dyno Tuned for Maximum PerformanceProduct Description: 00-'06 Toyota Tundra, 4.7L V8, 2/4 Wheel Drive, All W.B., 2.50" Mandrel Bent Tubing, Incl. Hardware, Resonator, Heat Shields, Super 50 Series Muffler, 3.00" Logo Embossed Stainless Tips, American Thunder, Incl. Tube Extensions For DOR And DOS In Kit, 16 Gauge Aluminized SteelPit Stop USA offers Flowmaster American Thunder Single Exhaust System - 2000-06 Toyota Tundra 4.7L V8 17425 at low everyday prices. Be sure to check out all our products from Flowmaster including Flowmaster Toyota Truck Exhaust Systems.