Product Summary

Axle-Back Exhaust System Type, Dual Single or Dual

  • 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
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Key Specs

MFG. Part #818159
BrandFlowmaster
Exhaust System TypeAxle-Back
Single or DualDual
Exhaust Tubing Diameter3 Inch
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Flowmaster 818159 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.
  • 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
  • Flowmaster 818159 Specifications

    KEY SPECS
    MFG. Part #818159
    BrandFlowmaster
    Exhaust System TypeAxle-Back
    Single or DualDual
    Exhaust Tubing Diameter3 Inch
    GENERAL
    Muffler Quantity2
    Exhaust Tip Quantity2
    Exhaust Tip ShapeRound
    Exhaust Tip CutAngle
    Exhaust Tip Size4.00"
    Exhaust Tip Length5.25"
    Exhaust System FinishNatural
    Muffler Body ShapeRound
    Muffler Inlet Diameter3"
    Muffler Outlet Diameter3"
    Muffler Overall Length6.5"
    Muffler Body Length5.5"
    Muffler FinishPainted
    Muffler ColorBlack
    Exhaust Tip Material304 Stainless Steel
    Exhaust Tip FinishCeramic Coated
    Mount TypeUses Factory Hangers
    Sold in QuantityEach
    GTIN Code00090127843833
    Material Type409 Stainless Steel

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