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FlowFX Cat-Back Exhaust System 2009-2014 Ford F150 4.6L/5.0L/5.4L V8 and 3.5L EcoBoost
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FLOWMASTERPART NUMBER: 389-717864

FlowFX Cat-Back Exhaust System 2009-2014 Ford F150 4.6L/5.0L/5.4L V8 and 3.5L EcoBoost

$62395
More than 10 available
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Ford Trucks
FlowFX Cat-Back Exhaust System
  • 2009-2014 Ford F150 4.6L/5.0L/5.4L V8 and 3.5L EcoBoost
  • 3 in. Tubing
  • 4.5 in. Black Ceramic Coated SS Tips
  • Single Side Exit
  • Flow FX Series Muffler
  • 409S Stainless Steel

    FLOWMASTER MUFFLERS 717864 Features:

    Introducing the FlowFX Cat-back exhaust system for the 2009-2014 Ford F-150 with 3.5L Ecoboost, 4.6L, 5.0L and 5.4L engines. This stainless steel performance single exhaust system bolts up to the factory catalytic converter flange with a large 3-inch mandrel-bent tubing flowing into the "straight-through" FlowFX performance muffler. The FlowFX muffler creates a deep powerful sound outside the vehicle with a moderate tone inside the cab. The mandrel-bent tailpipe exits behind the passenger side rear tire and is finished off with a large 4.50-inch black ceramic coated exhaust tip embossed with the Flowmaster name. The system utilizes the factory hanger locations and connections and includes all necessary parts, hardware and detailed instructions for an easy at home installation. Note: Fits 2/4 wheel drive and all wheelbases.
    • Large 4.50-Inch Black Ceramic Coated Stainless Steel Tips
    • Deep Powerful Tone Inside and Outside the Vehicle
    • FlowFX "Straight-through" Performance Muffler
    • Mandrel-bent Stainless Steel Tubing
    • Uses the Factory Hanger Locations
    • Includes All Necessary Hardware
    • Quick and Easy Installation
    • Lifetime Limited Warranty
    • Aggressive Exhaust Tone

      Bright 409 stainless steel Flowmaster FlowFX Exhaust Systems have straight-through FlowFX mufflers with a large core for a deep, moderate-to-aggressive exterior and interior sound. Each kit is designed and dyno-tuned for maximum performance, so you know you are getting the most out of your exhaust system.

    Part TypeExhaust System
    Product LineFlowmaster FlowFX Exhaust Systems
    BrandFLOWMASTER
    Package Height11.25
    Package Width16.25
    Package Length58.5
    Weight43.5 PG
    Muffler Inlet Inside Diameter3 in.
    Hangers IncludedYes
    Main Piping Diameter3 in.
    Tail Pipe QuantitySingle
    Inlet TypeFlanged
    Exhaust Tip Material304 Stainless Steel
    Catalytic Converter Quantity0
    Muffler Body Length18 in.
    Sound LevelModerate
    Muffler Body Material409 Stainless Steel
    Exhaust Tip CutAngled
    Gasket Or Seal IncludedNo
    Exhaust Tip IntercooledNo
    Pipe ColorSilver
    Muffler Quantity1
    Muffler Inlet Outside Diameter3.13 in.
    Muffler Flanged OutletNo
    Exhaust Tip ResonatedNo
    Catalytic Converter IncludedNo
    Heat Shield IncludedNo
    Part CategoryPerformance Parts
    Exhaust Tip WallSingle Wall
    Exhaust Tip Quantity1
    Exhaust Tip FinishBlack Ceramic Coating
    Exhaust Tip EdgeRolled Edge Angle Cut
    Valve IncludedNo
    Muffler TypeAbsorption
    Pipe Material409 Stainless Steel
    Muffler Body Width9 in.
    Tail Pipe Tapered OutletNo
    Muffler Body ShapeOval
    Mounting Bracket IncludedNo
    Muffler Outlet Quantity1
    Muffler FinishNatural
    Mount TypeUses Factory Hangers
    Clamps IncludedYes
    FinishNatural
    Exit StyleSingle Out Side
    Muffler Body Height4 in.
    Clamping TypeFlat Band
    Muffler Flanged InletNo
    Spring Bolt Kit IncludedNo
    Muffler SeriesFlow FX
    Muffler IncludedYes
    Exhaust Tip ConnectionClamp-On
    Tail Pipe Outlet Outside Diameter3 in.
    Valve TypeNot Applicable
    Exhaust Tip Diameter4.50 in.
    Part FitmentDirect Fit
    Package Qty1
    Package TypeEA
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