Flowmaster 817116 American Thunder Cat Back Exhaust System 1987-1993 Mustang GT

Flowmaster 817116 American Thunder Cat Back Exhaust System 1987-1993 Mustang GT


  • $775.95
    Unit price per 
  • Save $87.05

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

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
  • Dyno tuned for Maximum Performance
  • Super 44 Series Performance Mufflers
  • Uses the Factory Hanger Locations
  • Lifetime Limited Warranty
  • Deep Powerful Sound
weight 42.65
length 46.6
width 14.6
height 14.2
Brand Flowmaster
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series American Thunder
Exit Position Dual Out Rear
Heat Shield No
Inlet Diameter (in) 2.5
Material 409 Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series Super 44 Series
Outlet Diameter (in) 2.5
Product Type Exhaust System
Single Dual Dual
Sound Level Aggressive
System Type Cat-back
Tip Quantity Not Included
Tubing Diameter (in) 2.5
Warning California Proposition 65

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