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FlowFX Cat-Back Exhaust System for 2011-2018 Chevy Silverado, GMC Sierra 1500 Pickup Truck 6.2L (Crew, Double Cabs)
InfoVehicle Info Needed
FLOWMASTERPART NUMBER: 389-717885

FlowFX Cat-Back Exhaust System for 2011-2018 Chevy Silverado, GMC Sierra 1500 Pickup Truck 6.2L (Crew, Double Cabs)

$64995
2 left in stock
ShippingShips on Nov 09, 2026
Lowest PriceLowest Price Guarantee

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GM Trucks
FlowFX Cat-Back Exhaust System
  • 2011-2018 GM Silverado, Sierra 1500 Trucks 6.2L
    • Crew Cab [5.750 ft. Bed]
    • Double Cab [6.600 ft. Bed]
    • 143.500 in. WB
  • 3.500 in. Stainless Steel Tubing
  • 5 in. Black Ceramic Tip
  • Single Out Side Exit

    Breakdown of Included Items

    Flowmaster 717885 FlowFX Cat-Back Exhaust System Features:

    • FlowFX straight through performance muffler delivers a deep, moderate sound level
    • Increases of up to 16 horsepower and 16 ft-lbs. of torque at the rear wheels over the factory exhaust
    • Right/passenger-side rear exit
    • Uses factory hanger locations
    • 409S Stainless steel muffler and exhaust tubing w/304 stainless tip

    Emissions: This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

      • 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 Height12.0
    Package Width16.75
    Package Length46.6
    Weight47.8 PG
    Tailpipe Diameter (In.)3.5
    Muffler Inlet Inside Diameter3.50 in.
    Hangers IncludedYes
    Main Piping Diameter3.50 in.
    Tail Pipe QuantitySingle
    Inlet TypeClamp-On
    Inlet Size (In.)3.500
    Tip CutAngle
    Exhaust Tip Material304 Stainless Steel
    Catalytic Converter Quantity0
    Exit LocationSingle out side
    Tip FinishBlack Ceramic
    Muffler Body Length18 in.
    Sound LevelModerate
    Muffler Material409S Stainless Steel
    Muffler Body Material409 Stainless Steel
    Exhaust Tip CutAngled
    Gasket Or Seal IncludedNo
    Exhaust Tip IntercooledNo
    Pipe ColorSilver
    System FinishNatural
    Muffler Quantity1
    Muffler Inlet Outside Diameter3.63 in.
    Exit QuantityOne
    Tip Material304 stainless steel
    Muffler Flanged OutletNo
    Tip Quantity1
    Exhaust Tip ResonatedNo
    Catalytic Converter IncludedNo
    Part CategoryPerformance Parts
    Hardware IncludedYes
    Exhaust Tip WallSingle Wall
    Exhaust Tip Quantity1
    Clamp TypeBand
    Muffler Inlet LocationCenter
    Exhaust Tip FinishBlack Ceramic Coating
    Exhaust Tip EdgeRolled Edge
    Valve IncludedNo
    Muffler TypeAbsorption
    Pipe Material409 Stainless Steel
    Muffler Body Width8 in.
    Tail Pipe Tapered OutletNo
    Muffler Body ShapeOval
    Mounting Bracket IncludedNo
    Muffler Outlet Quantity1
    Muffler FinishNatural
    Mount TypeUses Factory Hangers
    Clamps IncludedYes
    Muffler StyleStraight through
    Tip Outlet Size5 in (127 mm)
    Horse Power Increase16 HP
    FinishNatural
    Exit StyleSingle Out Side
    Muffler Body Height5 in.
    Tip IncludedYes
    Clamping TypeFlat Band
    Muffler Flanged InletNo
    Mandrel-BentYes
    Spring Bolt Kit IncludedNo
    Muffler SeriesFlow FX
    QuantitySold as a kit
    Muffler IncludedYes
    Exhaust Tip ConnectionClamp-On
    System StyleCat-back
    Tail Pipe Outlet Outside Diameter3.50 in.
    Muffler ConfigurationCenter/Center
    System Material409S Stainless Steel
    Valve TypeNot Applicable
    Tip Edge StyleRolled edge
    Tip ShapeOval
    Intermediate Pipe Diameter3.5 in (88.9 mm)
    Exhaust Tip Diameter5 in.
    Part FitmentDirect Fit
    Vendor Part Number717885
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file
    Some parts are not legal for use in California or other states with similar laws / regulations
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