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Flowmaster
American Thunder Cat-Back Exhaust System 2001-2006 (2007 Classic) Silverado/Sierra 2500Hd/3500Hd With 6.0L Or 8.1L Engine With Dual Inlet Muffler Aggressive Sound Flowmaster
SKU: F00L 17328
Easy — 1–2 hours
Description
Part #: 17328
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) Silverado/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 aluminized 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 our 3-year Limited Warranty. Check out system #817328 if you prefer a Stainless Steel exhaust system that is covered with a Lifetime Limited Warranty.Includes an Aluminum Heat Shield for Rapid Heat DissipationIncludes a Large 4.00-inch Polished 304 Stainless Steel TipIncludes Hangers and Hardware for an Easy InstallationMandrel-bent 16-gauge Aluminized Steel TubingDyno-tuned for Maximum PerformanceStainless Steel Heat Shield ClampsUses the Factory Hanger LocationsAggressive Exterior Exhaust ToneEasy Installation
Features:
- Includes an Aluminum Heat Shield for Rapid Heat Dissipation
- Includes a Large 4.00-inch Polished 304 Stainless Steel Tip
- Includes Hangers and Hardware for an Easy Installation
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Dyno-tuned for Maximum Performance
- Stainless Steel Heat Shield Clamps
- Uses the Factory Hanger Locations
- Aggressive Exterior Exhaust Tone
- Easy Installation
2001-2006 (2007 Classic) Chevrolet Silverado, GMC Sierra 2500HD/3500HD with 6.0L or 8.1L engine with dual inlet muffler. - Aggressive sound
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | Flowmaster |
| Part Number | F00L 17328 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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