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2015-17 Ford Mustang GT 5.0L - Outlaw Axle-back Exhaust System 817826YouTube Button

Flowmaster Outlaw Axle-back Exhaust System

2015-2017 Ford Mustang GT 5.0L Coupes & Convertibles.

PART# 817826

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$585.00   Suggested Retail
$499.99   Your Price
Estimated shipping date: 03/24/2021
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Aggressive sound


This Flowmaster® Outlaw Axle-back exhaust system is custom designed for all 2015-2017 Ford Mustang GT 5.0L coupes and convertibles. The system features all stainless steel mandrel-bent 3.00-inch tubing leading into a pair of race-proven Outlaw® series mufflers, for an aggressive exterior sound with a noticeable interior sound level. The system finishes with a pair of large 4.00-inch black ceramic coated tips for an aggressive look that goes hand in hand with the attitude projected by the Outlaw mufflers. This system includes all the necessary parts, hardware, and instructions needed for an easy installation and is covered by our Lifetime Limited Warranty.


  • Aggressive Race Proven Outlaw Mufflers
  • Dyno-tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Full Stainless Steel Construction
  • Lifetime Limited Warranty
  • Quick & Easy Installation


Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesOutlaw
Exit PositionDual Out Rear
Heat ShieldNo
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length (in)10.5
Muffler ColorBlack
Muffler FinishPainted
Muffler Inlet Diameter (in)3
Muffler Inlet LocationCentered
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)3
Muffler Outlet LocationCentered
Muffler Overall Length (in)49
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesOutlaw
Muffler ShapeRound
Muffler TypeReflection
Product TypeExhaust System
Single DualDual
Sound LevelAggressive
System TypeAxle-back
Tip CutAngle
Tip Diameter (in)4
Tip Edge StyleCut
Tip FinishBlack Ceramic
Tip Length (in)5.25
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity2
Tip ShapeRound
Tubing Diameter (in)3
Tubing Material409S Stainless Steel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817826



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.

In The Box

In The Box

  • Left & Right Muffler Assemblies
  • All Necessary Clamps & Hardware
  • Installation Instructions

Tech Resources

Fits 2015-2017 Ford Mustang GT 5.0L Coupes & Convertibles.


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