Flowmaster

Flowmaster 817328 American Thunder Cat-back Exhaust System

Compatible with 2001-2004 Chevrolet Silverado/GMC Sierra 2500/3500HD trucks with 6.0L or 8.1L engine. (See applications below)

Part # 817328 Be the first to write a review
Estimated shipping date: 11/30/2022
Notify Me When Available
Free Shipping
Your Price
$716.95
Suggested Retail
$797.00
Add to Wish List
Create a new list
Starting at $64 a month with Learn More
5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

See Emissions Details
Finally, an exhaust system as durable and strong as the trucks it's designed to fit. Flowmaster® proudly introduces the American Thunder® cat-back exhaust system for 2001-2004 Chevy and GMC 2500HD/3500HD extended-cab and crew-cab trucks equipped with the 6.0 and 8.1L engines. Featuring dual 3.00 in. inlets and a single 3.5 in. mandrel-bent tailpipe thats finished off with a large 4.00 in. polished T304 stainless steel tip. This stainless steel system features a 50 Series Big Block® muffler gives your truck a deep moderately aggressive tone inside and out. Detailed step-by-step instructions and all necessary hardware are included to allow an easy, at-home installation. The system is covered by our Lifetime Limited Warranty.

Features:

  • 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
Brand Flowmaster
Emission Code5
Product TypeCat-Back Exhaust Systems
UPC700042024506
Manufacturer Part Number817328
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817328
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Fits 2001-2004 Chevrolet Silverado and GMC Sierra 2500, 3500 3/4 Ton or 1 Ton HD chassis with 6.0L or 8.1L engine, fits Extended Cab and Crew Cab models.
Reviews

    Your Review

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.