This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
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.
Mandrel bent 16 Gauge Tubing
Moderate to Aggressive Sound Exterior Exhaust Tone
Includes hangers and hardware for easy installation
Dyno tuned for maximum performance
California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
California Proposition 65 Chemical Name: Nickel (Metallic)
California Proposition 65 Required: Yes
Emission Code: 5
Exhaust Series: American Thunder
Exit Position: Dual Out Rear / Dual Out Side
Heat Shield: No
Inlet Diameter (in): 3
Material: Aluminized Steel
Muffler Part Number: Kit Only
Muffler Quantity: 1
Muffler Series: Super 50 Series
Outlet Diameter (in): 2.5
Product Type: Exhaust Systems / Kits
Single Dual: Dual
Sound Level: Moderate/Aggressive Sound
System Type: Cat-back System
Tip Diameter (in): 3
Tip Quantity: 2
Tubing Diameter (in): 2.5
Warning: California Proposition 65
Fits 2000-2006 Toyota Tundra with 4.7L engine, fits 2/4 wheel drive models and all wheelbases.
This catalytic converter is warranted to be free from defects in materials andworkmanship subject to the exclusion and conditions set forth below and subject to the durational limits in this paragraph. This catalytic converter has been designed and manufactured and is warranted to meet federal Environmental Protection Agency emission requirements for 25,000 miles. The stainless steel body and the nipples alone are warranted for 5 years or 50,000 miles, whichever comesfirst. At the conclusion of the 5 year/50,000 mile or 25,000 mile period, whichever is applicable, all liability under this limited warranty shall terminate.