Flowmaster
Flowmaster 98-03 Ford F150 American Thunder SS Cat-Back Exhaust System
Why this price?
$1,065.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $117.25 back on this part.
$1,065.95 − $117.25 = $948.70
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to Flowmaster, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with Flowmaster, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
Not sure it fits? Read our tips.
Fitment tips
Fitment can come down to more than year, make and model. Sometimes the sub-model decides, so start with the fitment table below.
- Drive type. If your car is all-wheel drive, make sure the part is for all-wheel drive, not rear-wheel drive.
- Engine size. For engine parts, make sure the engine size on the product matches your engine.
- Transmission. Manual and automatic cars often take different parts.
- Body style. Sedan or hatch, two-door or four-door, cab and bed length on trucks.
Manufacturer data can sometimes have imperfections. Still not sure? We are happy to help.
Send us a message and we will confirm the fit.
Couldn't load pickup availability
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
- Multiple Exit Styles Provided in Kit
- Aggressive Exterior Performance Tone
- Uses the Factory Hanger Locations
- Clears the Factory Spare Tire
- Lifetime Limited Warranty
- Moderate Interior Tone
- Easy Installation
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2000 | Ford | F-150 | Base |
| 2001-2003 | Ford | F-150 | King Ranch |
| 1998-2003 | Ford | F-150 | Lariat |
| 1998-2003 | Ford | F-150 | XL |
| 1998-2003 | Ford | F-150 | XLT |
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