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Flowmaster  |  SKU: 818161

Flowmaster Outlaw Cat-Back Exhaust System - 818161

Fits 2024-2026 Ford Mustang GT 5.0-liter, Outlaw Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Dual Black Tips

Regular price $3,934.30 NZD + GST
Shipping calculated at checkout.
⚠ Special Order Item — ships direct from supplier. No returns, exchanges, or cancellations once processed. Please allow 7–20 days shipping.

Description

Fits 2024-2026 Ford Mustang GT 5.0-liter, Outlaw Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Dual Black Tips

Part Number: 818161

The Flowmaster Outlaw® Cat-back exhaust system for the 2024-2026 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.

Features and Benefits

• 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 )

Specifications

  • Specifications
    BrandFlowmaster
    California Proposition 65Yes
    California Proposition 65 Chemical NameNickel (Metallic)
    California Proposition 65 Chemical NameChromium (hexavalent compounds)
    CARB (California) CompliantYes
    Catalytic Converter IncludedNo
    Catalytic Converter Quantity0
    CategoryExhaust
    Clamping TypeFlat Band
    Clamps IncludedYes
    Emission Code5
    Exhaust SeriesOutlaw
    Exhaust Tip ColorBlack
    Exhaust Tip ConnectionWelded
    Exhaust Tip CutAngled
    Exhaust Tip Diameter4.00
    Exhaust Tip EdgeAngle Cut
    Exhaust Tip FinishBlack Ceramic Coating
    Exhaust Tip IntercooledNo
    Exhaust Tip Length5.25
    Exhaust Tip Material304 Stainless Steel
    Exhaust Tip Quantity2
    Exhaust Tip ResonatedNo
    Exhaust Tip ShapeRound
    Exhaust Tip WallDouble Wall
    Exit StyleDual Out Rear
    FinishNatural
    Gasket Or Seal IncludedNo
    Grade TypePerformance
    Hangers IncludedYes
    Inlet TypeClamp-On
    Main Piping Diameter3.00
    Mount TypeUses Factory Hangers
    Mounting Bracket IncludedNo
    Muffler (Left) Body Height4.00
    Muffler (Left) Body Length10.50
    Muffler (Left) Body Width4.00
    Muffler (Left) TypeReflection
    Muffler (Right) Body Height4.00
    Muffler (Right) Body Length10.50
    Muffler (Right) Body Width4.00
    Muffler (Right) TypeReflection
    Muffler Body Diameter4.00
    Muffler Body Height4.00
    Muffler Body Length10.50
    Muffler Body Material409 Stainless Steel
    Muffler Body ShapeRound
    Muffler Body Width4.00
    Muffler ColorBlack
    Muffler FinishBlack High-Temperature Paint Finish
    Muffler Flanged InletNo
    Muffler Flanged OutletNo
    Muffler IncludedYes
    Muffler Inlet ConnectionSlip-Fit
    Muffler Inlet Inside Diameter3.00
    Muffler Inlet LocationCenter
    Muffler Inlet Outside Diameter3.13
    Muffler Outlet ConnectionSlip-Fit
    Muffler Outlet Diameter3.00
    Muffler Outlet LocationCenter
    Muffler Outlet Quantity1
    Muffler Overall Length16.75
    Muffler Part NumberKit Only
    Muffler Quantity2
    Muffler SeriesOutlaw
    Muffler TypeReflection
    part typeExhaust System
    Pipe ColorSilver
    Pipe Material409 Stainless Steel
    Product TypeExhaust System
    Sound LevelAggressive / Moderate
    Spring Bolt Kit IncludedNo
    Sub CategoryExhaust and Tail Pipes
    Tail Pipe Outlet Outside Diameter3.00
    Tail Pipe QuantityDual
    Tail Pipe Quantity2
    Tail Pipe Tapered OutletNo
    Tip LogoEmbossed
    TypeCat-Back
    Valve IncludedNo
    Valve TypeNot Applicable
    WarningCalifornia Proposition 65
  • Instructions

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