1987-93 Mustang GT 5.0L - American Thunder Cat-Back Exhaust System 817116YouTube Button

Flowmaster American Thunder Cat-back Exhaust System

1987-1993 Ford Mustang GT with 5.0L engine. Fits coupe and convertible.

PART# 817116

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$628.95   Suggested Retail
$565.95   Your Price
Estimated shipping date: 11/14/2019
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Fits 1987-1993 Ford Mustang GT coupes and convertibles with 5.0L engine.


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 are constructed from 16-gauge Stainless steel and mandrel-bent for maximum performance. Include specially selected Super 44 Series mufflers for maximum performance and tone and the system utilizes the factory exhaust hangers for a quick and easy installation. 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. Check out optional system# 17116 if you prefer Aluminized steel construction.


  • Mandrel bent 16 gauge stainless steel tubing
  • Aggressive Sound Exterior Exhaust Tone
  • Includes hangers and hardware for easy installation
  • Dyno tuned for maximum performance


California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Rear Exit
Heat ShieldNo
Inlet Diameter (in)2.5
MaterialStainless Steel
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 44 Series
Outlet Diameter (in)2.5
Product TypeExhaust Systems / Kits
Single DualDual
Sound LevelAggressive Sound
System TypeCat-back System
Tip QuantityNot Included
Tubing Diameter (in)2.5
Part Number817116


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.

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Fits 1987-1993 Ford Mustang GT coupes and convertibles with 5.0L engine.


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