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Flowmaster 817511 Outlaw Axle-back Exhaust System

Part # 817511 Be the first to write a review

Compatible with 2005-2010 Ford Mustang GT, GT500 with a 4.6L or 5.4L engine.

Flowmaster 817511 Outlaw Axle-back Exhaust System

Estimated Ship Date: 07/23/2025
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$649.95
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5

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.

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Flowmaster's Outlaw Axle-back systems are race-oriented systems designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. Outlaw systems deliver an ultra aggressive interior and exterior tone and are suited to the enthusiast who wants the most aggressive components they can purchase. 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 a relatively quick and easy installation.

Features:

  • Includes Hangers and Hardware for Easy Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Large 4.00-inch Polished Stainless Steel Tips
  • Aggressive Exterior Exhaust Tone
  • Lifetime Limited Warranty
  • Axle-back System
Brand Flowmaster
Emission Code5
Product TypeAxle-Back Exhaust
WarrantyManufacturer's Limited Lifetime
UPC700042025183
Manufacturer Part Number817511
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817511
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.
Fits 2005-2010 Ford Mustang GT, GT500 with a 4.6L or 5.4L engine.
Manufacturer's Limited Lifetime: See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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