Flowmaster
Flowmaster 99-04 Ford F-150 Lightning American Thunder Cat-Back Exhaust System
Why this price?
$749.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $82.49 back on this part.
$749.95 − $82.49 = $667.46
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
For the person who wants the aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S. (Dual out same side) systems are the perfect choice. This American Thunder system features a Super 50 Series performance muffler that delivers a moderately aggressive exterior sound with a moderate interior tone, which is suited to the enthusiast who wants their performance to be heard. The dual 2.50-inch mandrel-bent tailpipes exit in front of the right side rear tire and are finished off with dual 3.00-inch polished stainless steel tips. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty.
- Includes Hangers and Hardware for an Easy Installation
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Moderately Aggressive Exterior Exhaust Tone
- Super 50 Series Performance Muffler
- Dyno Tuned for Maximum Performance
- Uses the Factory Hanger Locations
- 3-year Limited Warranty
- Easy Installation
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2003 | Ford | F-150 | Lightning |
| 2004 | Ford | F-150 Heritage | SVT Lightning |
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