Flowmaster
Flowmaster 87-93 Mustang GT 5.0L American Thunder SS 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.
Couldn't load pickup availability
For the person who is looking for a complete cat-back dual exhaust system with an aggressive tone. With an easy fit in mind, these systems feature a mandrel-bent 2.50-inch stainless steel inlet pipes flowing into a pair of Super 44™ Series mufflers for maximum performance and a deep powerful sound. The system utilizes the factory exhaust hangers for a quick and easy installation and the large 2.50-inch mandrel-bent tailpipes exit straight out the back with a turn down at the lower valance. The American Thunder® systems deliver a moderate to aggressive interior and exterior tone and are best suited to 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 stainless steel systems include all necessary parts, hardware and are covered by our Lifetime Limited Warranty. Note: Fits Coupes and Convertibles. Check out our optional aluminized steel system #17116.
- Includes Hangers and Hardware for an Easy Installation
- Mandrel-bent 16-gauge Stainless Steel Tubing
- Super 44 Series Performance Mufflers
- Dyno tuned for Maximum Performance
- Uses the Factory Hanger Locations
- Lifetime Limited Warranty
- Deep Powerful Sound
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987-1993 | Ford | Mustang | GT |
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