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Flowmaster Outlaw Axle-Back Exhaust System

Fits 2024 Ford Mustang GT 5.0-liter and EcoBoost 2.3-liter, Outlaw Axle-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Black Quad Tips with Valves

Part # 818159

Flowmaster Outlaw Axle-Back Exhaust System

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Free Shipping - Lower 48 US States
$1,516.95
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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.

See Emissions Details
Flowmaster introduces our Outlaw Axle-back exhaust system for the 2024 Ford Mustang GT with the 5.0-liter engine or EcoBoost 2.3-liter engine and the factory performance exhaust option. This system uses the Outlaw style mufflers for an aggressive exhaust tone and increased performance. Maximum dyno gains of up to 17 hp and 17 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Quad 4.00-inch black ceramic coated tips are used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty.

Features:

  • Max increases of up to 17 hp and 17 lb-ft over the stock exhaust at the rear wheels
  • Outlaw series performance muffler offers a deep powerful sound and increased performance
  • 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
  • Uses factory hanger locations for easy installation
  • 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
  • Includes all necessary hardware for an at home installation
  • Quad 4.00-inch black ceramic coated stainless steel tips add a custom look
  • Lifetime Limited Warranty

About Flowmaster

Shop the official site of Flowmaster for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Brand Flowmaster
Emission Code5
Exhaust SeriesOutlaw
Exit PositionDOR
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length (in)5.5
Muffler ColorBlack
Muffler FinishPainted
Muffler Inlet Diameter3.00
Muffler Inlet LocationCentered
Muffler Material409S Stainless Steel
Muffler Outlet Diameter3.00
Muffler Outlet LocationCentered
Muffler Overall Length (in)6.5
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 Diameter4.00
Tip Edge StyleMachined
Tip FinishBlack Ceramic
Tip Length5.25
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity2
Tip ShapeRound
Tip StyleDouble Wall
Tubing Diameter (in)3.00
Tubing Material409S Stainless Steel
UPC090127843833
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number818159
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.

*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.