American Thunder Cat-Back Exhaust System 1998-2003 Ford F-150 With 4.6L Or 5.4L Engine Fits Both 2/4-Wheel Drive Models Aggressive Sound - Flowmaster - 817663

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-inch mandrel-bent tailpipes finished off with a pair of large 3.50-inch 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.


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