American Thunder® is the "original" Flowmaster sound. In most cases a very aggressive sound level, American Thunder systems use various chambered mufflers to achieve the performance gains and aggressive sound that you want from your car or truck, inside and out. Available in stainless steel or economical aluminized steel, American Thunder systems are a great choice when you want to be heard.
Fitment Information
- Ford Mustang GT 5.0L Coupes / Convertibles (87-93)
Emissions Compliance
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Specs & Features
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2WD/4WD: 2WD/4WD
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Emission Code: 5
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Exhaust Series: American Thunder
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Exit Position: Dual Out Rear
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Heat Shield: No
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Inlet Diameter (in): 2.5
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Material: Aluminized Steel
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Muffler Part Number: Kit Only
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Muffler Quantity: 2
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Muffler Series: Super 44 Series
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Outlet Diameter (in): 2.5
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Product Type: Catback Exhaust System
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Single Dual: Dual
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Sound Level: Aggressive
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System Type: Cat-back
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Tip Diameter (in): Not Included
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Tip Quantity: Not Included
- Tubing Diameter (in): 2.5
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UPC: 700042010127
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California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
- Nickel (Metallic)
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California Proposition 65 Required: Yes
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Part Number: 17116
Product Description
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 aluminized 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 systems include all necessary parts and hardware for easy installation. Note: Fits Coupes and Convertibles. Check out optional our stainless steel system #817116 covered by our Lifetime Limited Warranty. All Aluminized steel exhaust systems are covered by our 3-year Limited Warranty.
Features:
- Includes Hangers and Hardware for an Easy Installation
- Mandrel-bent 16-gauge Auminized Steel Tubing
- Dyno tuned for Maximum Performance
- Super 44 Series Performance Mufflers
- Uses the Factory Hanger Locations
- 3-year Limited Warranty
- Deep Powerful Sound
Redline360 is an authorized Flowmaster dealer and sells only genuine Flowmaster products.

More in this category
Flowmaster American Thunder Exhausts
Ford Mustang Exhaust
Ford Mustang Parts
Reviews on this product
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
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Actual item may vary from picture