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Flowmaster American Thunder Axle-back Exhaust System

2010 Ford Mustang with V6 engine. Fits coupe and convertibles.

PART# 817488

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$279.00   Suggested Retail
$250.95   Your Price
Estimated shipping date: 11/20/2020
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Delta Flow
Moderate sound


These moderate sounding systems are designed to replace original rear mounted muffler located behind the rear axle using factory style connections. The axle-back exhaust system is constructed from 16-gauge stainless steel for longevity and features a 60 Series performance muffler with built-on resonator for minimal interior drone and maximum performance. The muffler is finished off with a large 4.00-inch polished stainless steel tip embossed with the Flowmaster logo and uses the factory hanger locations for a quick and easy installation and delivers a moderate exterior tone and a mild interior tone. 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. Covered by our Lifetime Limited Warranty.


  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Large 4.00-inch 304Polished Stainless Steel
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • 60 Series Performance Muffler
  • Quick and Easy Installation


Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionSingle Rear Exit
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler Series60 Series Delta Flow
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualSingle
Sound LevelModerate
System TypeAxle-back
Tip Diameter (in)4
Tip Quantity1
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817488



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 2010 Ford Mustang with a V6 engine, including convertibles.


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