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Flowmaster  |  SKU: 818171

Flowmaster Outlaw Direct Fit Muffler - 818171

Fits 2021-2025 Ford F-150 with 2.7, 3.5 and 5.0-liter non-PowerBoost engines with factory dual tailpipes

Regular price $1,226.00 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 2021-2025 Ford F-150 with 2.7, 3.5 and 5.0-liter non-PowerBoost engines with factory dual tailpipes

Part Number: 818171

This Flowmaster® Outlaw Direct-Fit Muffler system for the 2021-2025 Ford F-150 trucks with the 2.7, 3.5 or 5.0-liter engines is manufactured using durable 409 stainless steel throughout and features 3.00-inch mandrel bent pipes for optimum exhaust gas flow. A Flowmaster Outlaw Series muffler is used for an aggressive sound level and maximum performance. Performance increases on the dyno revealed an increase of 16 hp and 21 ft/lbs. at the rear wheels. This system connects directly to the factory dual tail pipes and uses all the existing factory hangers. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.

Features and Benefits

• Large 3.0-inch Mandrel bent pipes for superior flow and power
• Flowmaster Outlaw series muffler offers race proven performance
• Powerful exhaust note with an aggressive sound level that’s a perfect balance of sound and power
• Max power gains of 16 hp and 21 lb-ft at the rear wheels
• 409 stainless steel constuction for extra durability
• Connects directly to the factory dual tailpipes for a simple installation
• Lifetime limited Warranty

This system replaces ONLY the Factory muffler and over axle pipes and reuses the factory dual tail pipes and tips. Does not fit PowerBoost hybrid models. Does not fit models with OEM active exhaust option.

Specifications

  • Specifications
    Body Height4.00
    Body Length6.50
    Body Material409 Stainless Steel
    Body Width9.50
    BrandFlowmaster
    California Proposition 65 Chemical NameChromium (hexavalent compounds)
    California Proposition 65 Chemical NameNickel (Metallic)
    California Proposition 65 RequiredYes
    CategoryExhaust
    Clamping TypeFlat Band
    Clamps IncludedYes
    Emission Code5
    Exhaust SeriesOutlaw
    Exhaust Tip Quantity0
    Exhaust Tip QuantitySold Separately
    Exit PositionOEM
    FinishHigh-Temperature Paint
    Gasket Or Seal IncludedNo
    Grade TypePerformance
    Hangers IncludedYes
    Heat Shield AttachedNo
    Inlet Inside Diameter2.75
    Inlet LocationCenter
    Inlet Outside Diameter2.88
    Inlet Quantity1
    Inlet TypeSlip-Fit
    Main Piping Diameter3.00
    Material409 Stainless Steel
    Mount TypeUses factory hangers
    Muffler Body Length6.50
    Muffler ColorBlack
    Muffler FinishBlack High-Temperature Paint Finish
    Muffler Inlet Diameter3.00
    Muffler Inlet LocationCenter
    Muffler Material409 Stainless Steel
    Muffler Outlet Diameter3.00
    Muffler Outlet LocationDual
    Muffler Overall Length12.20
    Muffler Part NumberKit Only
    Muffler Quantity1
    Muffler Series10 Series
    Muffler ShapeOval
    Muffler TypeChambered
    Outlet Inside Diameter3.00
    Outlet LocationDual
    Outlet Outside Diameter3.13
    Outlet Quantity2
    Outlet TypeSlip-Fit
    Overall Length55.20
    part typeExhaust Muffler Assembly
    Pipe Material409 Stainless Steel
    Product TypeExhaust System
    Single DualDual
    Sound LevelAggressive
    Spring Bolt Kit IncludedNo
    Sub CategoryMufflers
    System TypeDirect-fit Muffler
    Tip StyleNot Included
    Tubing Diameter3.00
    Tubing Material409 Stainless Steel
    TypeDirect-fit Muffler
    WarningCalifornia Proposition 65
  • Instructions

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