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817496 - Axle-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound - default Image
817496 - Axle-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound - additional Image
817496 - Axle-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound - additional Image
2005-10 Ford Mustang GT 4.6L, GT500 5.4L - American Thunder Axle-back Exhaust SystemYouTube Button

Axle-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound

American Thunder Kit

PART# 817496

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$574.95   Suggested Retail
$516.95   Your Price
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Fits 2011 to 2012 Ford Mustang GT with a 5.0L or 5.4L V8 engine. Also fits GT500.

Overview

These aggressive sounding systems are designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. As an America Thunder system, it delivers an aggressive interior and exterior tone and is suited to the enthusiast who wants a distinctive and powerful exhaust note. 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.

Features:

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

Specs

2WD/4WD2WD
BrandFlowmaster
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)2.75
MaterialStainless Steel
Muffler Part NumberKit Only
Muffler Quantity2
Muffler Series40 Series Classic
Outlet Diameter (in)3
Product TypeExhaust Systems / Kits
Single DualDual
Sound LevelAggressive Sound
System TypeAxle-back System
Tip Diameter (in)4
Tip Quantity2
Tubing Diameter (in)3
Part Number817496

Emissions

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 2011 to 2012 Ford Mustang GT with a 5.0L or 5.4L V8 engine. Also fits GT500.

Applications

Reviews

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.