817916 Outlaw Extreme Cat-Back Exhaust System 2014-2019 GM Silverado/Sierra 1500 4.3L/5.3L, 2019 Classic [Black]
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FLOWMASTERPART NUMBER: 389-817916

817916 Outlaw Extreme Cat-Back Exhaust System 2014-2019 GM Silverado/Sierra 1500 4.3L/5.3L, 2019 Classic [Black]

$46795
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ShippingShips on Sep 14, 2026
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Outlaw Extreme Cat-Back Exhaust System
  • 2014-2019 GM Silverado/Sierra 1500 4.3L/5.3L, 2019 Classic
  • 3 in. Tubing
  • Single Exit Dump
  • 409 Stainless Steel
  • Black High-Temperature Paint Finish

    FLOWMASTER MUFFLERS 817916 Features:

    Introducing our new Outlaw Extreme Cat-back system for the 2014-2019 GM Silverado/Sierra 1500 with the 4.3L and 5.3L engine. These kits deliver the ultimate sound in aggressive exhaust systems by using a 3.00-inch race-proven Outlaw muffler and a single 3.00-inch single dump style turndown exit under the bed, for the ultimate deep and aggressive sound that will get you noticed. The system is manufactured using 409 stainless steel for durability and uses the factory hangers. As an Outlaw extreme system, this will deliver a very aggressive sound both outside and inside the truck that will get you noticed. Comes with all hardware and detailed instructions for an easy installation that can be done in less than an hour. Notes: Fits 2014-2019* (*Classic body) 2/4 WD, 143.5-inch & 153-inch Wheelbases.

    • Race Proven Outlaw Muffler Technology
    • Extreme Sound for Extreme Lifestyles
    • Mandrel-bent Stainless Steel Tubing
    • Stainless Steel Construction
    • Lifetime Limited Warranty
    • Uses the Factory Hangers
    • Easy Installation
    • Aggressive Exhaust Sound with Improved Performance

      Flowmaster Outlaw Extreme Series Exhaust Systems have a dump-style exit, offering better performance and ground clearance for your off-road vehicle. Each system brings a deep and powerful sound with 16-gauge, 409 stainless steel construction for durability and corrosion resistance, and the 3-inch diameter tubing ensures maximum flow.

    Part TypeExhaust System
    Product LineFlowmaster Outlaw Extreme Series Exhaust Systems
    BrandFLOWMASTER
    Package Height16.5
    Package Width22.0
    Package Length42.5
    Weight20.0 PG
    Part CategoryPerformance Parts
    Muffler Body Diameter4 in.
    Hardware IncludedYes
    Exhaust Tip Quantity0
    Valve IncludedNo
    Muffler TypeReflection
    Pipe Material409 Stainless Steel
    Muffler Inlet Inside Diameter3 in.
    Hangers IncludedYes
    Muffler Body Width4 in.
    Main Piping Diameter3 in.
    Tail Pipe QuantitySingle
    Tail Pipe Tapered OutletNo
    Inlet TypeClamp-On
    Inlet Size (In.)3
    Exit PositionTurn Down
    Muffler Body ShapeRound
    Mounting Bracket IncludedNo
    Muffler Outlet Quantity1
    Muffler FinishBlack High-Temperature Paint Finish
    Catalytic Converter Quantity0
    Mount TypeUses Factory Hangers
    Clamps IncludedYes
    Muffler Body Length10.50 in.
    Sound LevelAggressive
    FinishNatural
    Exit StyleSingle Out Dump
    Muffler Body Material409 Stainless Steel
    Outlet Size3 in (76.2 mm)
    Muffler Body Height4 in.
    Hanger IncludedYes
    Clamping TypeFlat Band
    Muffler Flanged InletNo
    Gasket Or Seal IncludedNo
    Spring Bolt Kit IncludedNo
    Exhaust Tip IntercooledNo
    Pipe ColorSilver
    Muffler IncludedYes
    Muffler Quantity1
    Muffler Inlet Outside Diameter3.13 in.
    Tail Pipe Outlet Outside Diameter3 in.
    Valve TypeNot Applicable
    Exit QuantityOne
    Muffler Flanged OutletNo
    Part FitmentDirect Fit
    Catalytic Converter IncludedNo
    Vendor Part Number817916
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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