Flowmaster 01-04 GM 2500HD/3500HD American Thunder SS Cat-Back Exhaust System

SKU: flo817328
Out of stock
Regular price $899.95

Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides. This American Thunder system for the 2001-2006 (2007 Classic) Chevrolet Silverado, GMC Sierra 2500HD/3500HD with 6.0L or 8.1L engine with dual inlet muffler, delivers a moderate interior tone with a deep powerful exterior tone and is suited to the enthusiast who wants their performance to be heard. The system attaches to the back of the catalytic converter with a dual inlet 50 Series Big Block muffler for a deep powerful sound without being obnoxious. Includes a large custom formed aluminum heat shield with stainless clamps and easily attaches directly to the muffler body. The custom bent 3.50-inch 409 stainless steel tailpipe uses the factory hanger locations for an easy installation and exits out behind the right side rear wheel which is ideal for towing. The tailpipe is finished off with a large 4.00-inch polished 304 stainless steel tip embossed with the Flowmaster logo. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts, hardware and easy to follow instructions for a trouble free installation. Covered by Flowmaster's Lifetime Limited Warranty. 2001-2006 (2007 Classic) Chevrolet Silverado, GMC Sierra 2500HD/3500HD with 6.0L or 8.1L engine with dual inlet muffler. Stainless Steel. - Aggressive sound Fits 2001-2006 (2007 Classic) Chevrolet Silverado and GMC Sierra 2500 3/4 Ton and 1 Ton HD truck with 6.0L or 8.1L engine with dual inlet muffler, fits 2/4 wheel drive models with extended cab or crew cab.
  • 3.50-inch Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes Hangers and Hardware for an Easy Installation
  • Large 4.00-inch Polished 304 Stainless Steel Tip
  • Moderately Aggressive Exterior Exhaust Tone
  • Connects After Factory Catalytic Converter
  • Uses the Factory Hanger Locations
  • Quick and Easy Installation
  • Lifetime Limited Warranty

Fitment:
2001 Chevrolet Silverado 2500 HD
2001 Chevrolet Silverado 3500
2001 GMC Sierra 2500 HD
2001 GMC Sierra 3500
2002 Chevrolet Silverado 2500 HD
2002 Chevrolet Silverado 3500
2002 GMC Sierra 2500 HD
2002 GMC Sierra 3500
2003 Chevrolet Silverado 2500 HD
2003 Chevrolet Silverado 3500
2003 GMC Sierra 2500 HD
2003 GMC Sierra 3500
2004 Chevrolet Silverado 2500 HD
2004 Chevrolet Silverado 3500
2004 GMC Sierra 2500 HD
2004 GMC Sierra 3500
2005 Chevrolet Silverado 2500 HD
2005 Chevrolet Silverado 3500
2005 GMC Sierra 2500 HD
2005 GMC Sierra 3500
2006 Chevrolet Silverado 2500 HD
2006 Chevrolet Silverado 3500
2006 GMC Sierra 2500 HD
2006 GMC Sierra 3500
2007 Chevrolet Silverado 2500 HD Classic
2007 Chevrolet Silverado 3500 Classic
2007 GMC Sierra 2500 HD Classic
2007 GMC Sierra 3500 Classic


Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Units Per Sku: 1