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1998-09 Ford Ranger - American Thunder Cat-Back Exhaust System 817529YouTube Button

Flowmaster American Thunder Cat-back Exhaust System

1998-2009 Ford Ranger, Mazda B3000/B4000 extended cab trucks with 3.0L or 4.0L engine.

PART# 817529

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Moderate sound


This Flowmaster® American Thunder® exhaust system is for 1998-2009 Ford Ranger and Mazda B3000/B4000 extended cab (2-door) trucks with the 3.0L or 4.0L engines. The system includes a stainless steel mandrel-bent 2.5-inch flanged inlet pipe flowing into a single inlet, dual outlet Super 50™ series muffler with dual 2.5-inch mandrel-bent tailpipes exiting out the back. The tailpipes are finished off with a pair of large 3.00-inch polished 304 stainless steel tips. The dual outlet system will generally produce a moderate sound level that will appeal to most enthusiast type owners. The exhaust system is backed by our Limited Lifetime Warranty and includes all necessary parts, hardware and installation instructions. Note: Fits both 2/4 wheel drive models. Does Not fit the Edge or Sport models.


  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Connects After Factory Catalytic Converter
  • Super 50 Series Performance Muffler
  • Moderate Exterior Exhaust Tone
  • Lifetime Limited Warranty


Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 50 Series
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelModerate
System TypeCat-back
Tip Diameter (in)3
Tip Quantity2
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817529



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.

Tech Resources

Fits 1998-2009 Ford Ranger and Mazda B3000/B4000 extended cab trucks with the 3.0L or 4.0L engine.


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