Product Summary

Cat-Back Exhaust System Type, Dual Single or Dual

  • Max increases of up to 18 hp and 18 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
  • 3.0-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
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Key Specs

MFG. Part #818161
BrandFlowmaster
Exhaust System TypeCat-Back
Single or DualDual
Exhaust Tubing Diameter3 Inch
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Flowmaster 818161 Details


The Flowmaster Outlaw® Cat-back exhaust system for the 2024 Ford Mustang GT 5.0-liter is perfect for the person looking for a very aggressive exhaust tone inside and outside the vehicle, with all of the performance benefits that you would expect from Flowmaster®. This easy to bolt-on emissions-legal system features dual 3.0-inch stainless steel mandrel-bent tubing and our exclusive Scavenger® Series X-pipe for a deep unique tone and maximum power. Other features include a pair of our race-proven Outlaw Series mufflers finished off with quad 4.00-inch black ceramic coated tips for a modern look. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts, hardware and installation instructions. This system does not fit models with the Active Performance Exhaust option. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty.
  • Max increases of up to 18 hp and 18 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
  • 3.0-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
  • Dual 4.00-inch black ceramic coated steel tips add a custom look
  • Includes Scavenger Series X-Pipe for maximum tone and performance
  • Lifetime Limited Warranty

    Will not fit vehicles with Active performance exhaust. (2 exhaust tips per side )

  • Flowmaster 818161 Specifications

    KEY SPECS
    MFG. Part #818161
    BrandFlowmaster
    Exhaust System TypeCat-Back
    Single or DualDual
    Exhaust Tubing Diameter3 Inch
    GENERAL
    Muffler Quantity2
    Exhaust Tip IncludedNo
    Exhaust Tip Quantity2
    Exhaust Tip ShapeRound
    Exhaust Tip CutAngle
    Exhaust Tip Edge StyleCut Edge
    Exhaust Tip Size4.00"
    Exhaust Tip Length5.25"
    Exhaust System FinishNatural
    Muffler Body ShapeRound
    Muffler Inlet Diameter3"
    Muffler Outlet Diameter3"
    Muffler Overall Length16.75"
    Muffler Body Length10.5"
    Muffler FinishPainted
    Muffler ColorBlack
    Exhaust Tip Material304 Stainless Steel
    Exhaust Tip FinishCeramic Coated
    Mount TypeUses Factory Hangers
    Sold in QuantityEach
    GTIN Code00090127844717
    Material Type409 Stainless Steel
    Gaskets IncludedNo
    Catalytic Converter Quantity0

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