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Flowmaster

Flowmaster 817213 American Thunder Cat-back Exhaust System

Part # 817213 Be the first to write a review

Compatible with 1987-1993 Ford Mustang LX with 5.0L engine. Compatible with coupes and convertibles. Also Compatible with 1986 Ford Mustang GT with 5.0L engine.

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Flowmaster 817213 American Thunder Cat-back Exhaust System

Estimated Ship Date: 08/03/2026
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$868.95
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Our American Thunder® exhaust system for 1987-1993 Ford Mustang LX (Fox body) with the 5.0L engine is a bolt-on emissions legal system. Features free-flowing 2.50 in. mandrel-bent stainless steel inlet pipes flowing into a pair of Super 44® Series mufflers for that deep iconic sound of the 5.0L engine. The 2.50 in. mandrel-bent stainless steel tailpipes use the factory hanger locations for a quick and easy installation and the system is finished off with a pair of long 2.50 in. 304 stainless steel tips for that show car look. Includes all necessary parts, hardware and easy to follow instructions and is covered by our Lifetime Limited Warranty. Note: Fits coupes and convertibles. Also fits 1986 Ford Mustang GT models with 5.0L engine

Features:

  • Includes Hangers and Hardware for Easy Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Aggressive Sound Exterior Exhaust Tone
  • Dyno Tuned for Maximum Performance
  • Super 44 Series Performance Mufflers
  • Uses the Factory Hanger Locations
  • 304 Stainless Steel Tailpipes
  • Lifetime Limited Warranty
  • Easy Installation
Brand Flowmaster
Emission Code5
Product TypeCat-Back Exhaust Systems
WarrantyManufacturer's Limited Lifetime
UPC700042022427
Manufacturer Part Number817213
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817213
5

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.
Instructions for Part# 817213
Warranty for Part# 817213
Fits 1987-1993 Ford Mustang LX with 5.0L engine. Fits coupes and convertibles. Also fits 1986 Ford Mustang GT with 5.0L engine.
Manufacturer's Limited Lifetime: See Details
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    Some parts are not legal for use in California or other states with similar regulations.