Flowmaster
Flowmaster 99-04 Mustang Cobra 4.6L DOHC American Thunder Cat-Back Exhaust System
Why this price?
$949.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $104.49 back on this part.
$949.95 − $104.49 = $845.46
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.
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For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. This dual out American Thunder cat-back exhaust system is the perfect choice with a 2.50-inch flanged pipe connecting directly to the catalytic converters, the mandrel-bent aluminized steel inlet tubes flow into a large case Super 40 Series performance mufflers for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 2.50-inch mandrel-bent tailpipes exiting out the back and are finished off with dual 3.00-inch polished stainless steel tips for a muscular look and sound. American Thunder systems deliver a moderate to aggressive exterior tone with a mild-moderate interior tone and are best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Comes with our 3-year Limited Warranty. If you prefer a full stainless steel exhaust system with a Lifetime Limited Warranty, check out system #817248.
- Includes Hangers and Hardware for an Easy Installation
- Includes 3.00-inch Polished Stainless Steel Tips
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Covered by our 3-year Limited Warranty
- Super 40 Series Performance Mufflers
- Over 35+years of Flowmaster Quality
- Dyno Tuned for Maximum Performance
- Uses the Factory Hanger Locations
- Moderate Exterior Exhaust Tone
- Quick and Easy Installation
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999,2001,2003-2004 | Ford | Mustang | SVT Cobra |
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