Flowmaster

Flowmaster 817663 American Thunder Cat-back Exhaust System

Compatible with 1998-2003 Ford F-150 with 4.6L or 5.4L engine. Compatible with both 2/4-wheel drive models.

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$843.95
Suggested Retail
$938.00
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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.

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Flowmaster's American Thunder cat-back exhaust system for the 1998-2003 Ford F-150 pickup truck is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This system allows you the choice of either dual out the rear exit tailpipes, or dual out the sides behind the rear wheels, which is perfect for towing. The bolt-on 409S stainless steel system fits both the 4.6L and the 5.4L V8 engines and features a Super 40 Series performance muffler and dual 2.50 in. mandrel-bent tailpipes finished off with a pair of large 3.50 in. polished stainless steel tips. This system is designed to fit all 2/4 wheel drives, all wheelbases and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

Features:

  • Large 3.50-inch Polished 304 Stainless Steel Tips
  • Dual Outlet Super 40 Series Performance Muffler
  • Mandrel-bent Stainless Steel Construction
  • Aggressive Exterior Performance Tone
  • Uses the Factory Hanger Locations
  • Multiple Exit Styles Provided in Kit
  • Clears the Factory Spare Tire
  • Lifetime Limited Warranty
  • Moderate Interior Tone
  • Easy Installation
Brand Flowmaster
Emission Code5
Product TypeCat-Back Exhaust Systems
UPC700042029945
Manufacturer Part Number817663
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817663
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 1998-2003 Ford F-150 with 4.6L or 5.4L engine. Fits both 2/4-wheel drive models.
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