Flowmaster American Thunder Cat-Back Exhaust System 1999-2007* (*2007 Classic Only) Silverado/Sierra 1500 with 4.8L or 5.3L Engine Aggressive Sound

For the person who wants the aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S.

(Dual out same side) systems are the perfect choice. The 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. The exhaust system is constructed from 3.00-inch mandrel-bent aluminized steel tubing flowing into a Super 40 Series performance muffler for a deep powerful sound, then is finished off with dual 2.50-inch tailpipes and a pair of 3.00-inch polished stainless steel tips. Includes all necessary hardware, instructions and is covered by our 3-year Limited Warranty. Notes: Fits both 2/4 wheel drive models with standard cab/short bed configuration 119 inch wheelbase.

• Includes Hangers and Hardware for an Easy Installation
• Mandrel-bent 16-gauge Aluminized Steel Tubing
• Moderate to Aggressive Exterior Exhaust Tone
• Dual 3.00-inch Polished Stainless Steel Tips
• Dyno Tuned for Maximum Performance
• Super 40 Series Performance Muffler
• Uses the Factory Hanger Locations
• Quick and Easy Installation

Specifications

• Series: Super 40 Series
• Exhaust Type: Cat Back
• Material: Aluminized Steel
• Inlet Diameter: 3
• Exit Style: Dual Out Same Side
• Tip Finish: Polished
• Sound Level: Aggressive
• Includes Muffler: Chambered
• Emissions: 5
• Warranty: Manufacturer's Limited Lifetime Warranty
• Country of Origin: USA

Installation Instructions (PDF) | Product Video

CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov