American Thunder Cat-Back Exhaust System 1999-2007* (*2007 Classic Only) Silverado/Sierra 1500 With 4.8L Or 5.3L Engine Aggressive Sound - Flowmaster - 17392

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

• 1999 Chevrolet Silverado 1500 4.8L GAS
• 1999 Chevrolet Silverado 1500 5.3L GAS
• 1999 GMC Sierra 1500 4.8L GAS
• 1999 GMC Sierra 1500 5.3L GAS
• 2000 Chevrolet Silverado 1500 4.8L GAS
• 2000 Chevrolet Silverado 1500 5.3L GAS
• 2000 GMC Sierra 1500 4.8L GAS
• 2000 GMC Sierra 1500 5.3L GAS
• 2001 Chevrolet Silverado 1500 4.8L GAS
• 2001 Chevrolet Silverado 1500 5.3L GAS
• 2001 GMC Sierra 1500 4.8L GAS
• 2001 GMC Sierra 1500 5.3L GAS
• 2002 Chevrolet Silverado 1500 4.8L GAS
• 2002 Chevrolet Silverado 1500 5.3L FLEX
• 2002 Chevrolet Silverado 1500 5.3L GAS
• 2002 GMC Sierra 1500 4.8L GAS
• 2002 GMC Sierra 1500 5.3L FLEX
• 2002 GMC Sierra 1500 5.3L GAS
• 2003 Chevrolet Silverado 1500 4.8L GAS
• 2003 Chevrolet Silverado 1500 5.3L FLEX
• 2003 Chevrolet Silverado 1500 5.3L GAS
• 2003 GMC Sierra 1500 4.8L GAS
• 2003 GMC Sierra 1500 5.3L FLEX
• 2003 GMC Sierra 1500 5.3L GAS
• 2004 Chevrolet Silverado 1500 4.8L GAS
• 2004 Chevrolet Silverado 1500 5.3L FLEX
• 2004 Chevrolet Silverado 1500 5.3L GAS
• 2004 GMC Sierra 1500 4.8L GAS
• 2004 GMC Sierra 1500 5.3L FLEX
• 2004 GMC Sierra 1500 5.3L GAS
• 2005 Chevrolet Silverado 1500 4.8L GAS
• 2005 Chevrolet Silverado 1500 5.3L FLEX
• 2005 Chevrolet Silverado 1500 5.3L GAS
• 2005 GMC Sierra 1500 4.8L GAS
• 2005 GMC Sierra 1500 5.3L FLEX
• 2005 GMC Sierra 1500 5.3L GAS
• 2006 Chevrolet Silverado 1500 4.8L GAS
• 2006 Chevrolet Silverado 1500 5.3L FLEX
• 2006 Chevrolet Silverado 1500 5.3L GAS
• 2006 GMC Sierra 1500 4.8L GAS
• 2006 GMC Sierra 1500 5.3L FLEX
• 2006 GMC Sierra 1500 5.3L GAS
• 2007 Chevrolet Silverado 1500 Classic 4.8L GAS
• 2007 Chevrolet Silverado 1500 Classic 5.3L FLEX
• 2007 Chevrolet Silverado 1500 Classic 5.3L GAS
• 2007 GMC Sierra 1500 Classic 4.8L GAS
• 2007 GMC Sierra 1500 Classic 5.3L FLEX
• 2007 GMC Sierra 1500 Classic 5.3L GAS