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Force II Cat-Back Exhaust System 2007-2013 GM Silverado/Sierra 1500 4.8/5.3L
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FLOWMASTERPART NUMBER: 389-817523

Force II Cat-Back Exhaust System 2007-2013 GM Silverado/Sierra 1500 4.8/5.3L

$94995
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

GM
Force II Cat-Back Exhaust System
  • 2007-2008 GM Silverado/Sierra 1500 4.8/5.3L (All WB except EC/LB), 2009-2013 1500 5.3L EC/6-ft bed, CC/5.5ft bed
  • 3" Tube, 3.5" Polished SS Tips
  • Single Side Exit
  • Super 50 Series Muffler
  • 409S Stainless Steel

    Note: Fits 2007-2008 GM Silverado/Sierra 1500 4.8L, 5.3L engine flex-fuel, all wheelbases except EC/LB. Also fits 2009-2013 GM Silverado/Sierra 1500 with 5.3L EC/6ft bed and CC/5.5ft bed.

    For the person who wants a subtle custom appearance with all the benefits that a Flowmaster® Cat-back exhaust system provides. This Force II single exhaust system includes all stainless steel 3.00-inch mandrel-bent tubing flowing into a Super 50™ Series muffler, uses the factory hanger locations, and has a large single tailpipe finished off with a 3.50-inch polished stainless steel tip. This Force II® system delivers a mild exterior and interior tone and is suited to customers looking for efficiency improvements without a lot of noise. Especially recommended for towing applications. Like all Flowmaster systems, the benefits include improved throttle response, power, and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation and are covered by a Lifetime Limited Warranty. Notes: Also fits 2009-2013 GM Silverado/Sierra 1500 with 5.3L Extended Cab/6-ft bed and CC/5.5ft bed.

    Features:

    • Includes Hangers and all Hardware for an Easy Installation
    • Mandrel Bent 16 gauge Stainless Steel Tubing
    • Connects After Factory Catalytic Converter
    • Stock to Mild Exterior Exhaust Tone
    • Lifetime Limited Warranty
    • Minimal Interior Drone
    • Improved Performance with a Moderate Exhaust Tone

      Flowmaster Force II Exhaust Systems for Trucks and SUVs are perfect for anyone looking for a performance tone enhancement but concerned about installing an exhaust system that is too aggressive for daily street driving. These systems deliver a moderate interior and exterior tone and are suited to customers looking for efficiency improvements without loud noise.

    Part TypeExhaust System
    Product LineFlowmaster Force II Exhaust Systems for Truck & SUVs
    BrandFLOWMASTER
    Package Height11.0
    Package Width15.5
    Package Length58.0
    Weight50.8 PG
    Tailpipe Diameter (In.)3
    Muffler Inlet Inside Diameter3 in.
    Hangers IncludedYes
    Main Piping Diameter3 in.
    Tail Pipe QuantitySingle
    Inlet TypeClamp-On
    Tip CutSlant
    Exhaust Tip Material304 Stainless Steel
    Catalytic Converter Quantity0
    Exit LocationPassenger side
    Inlet QuantityOne
    Muffler Body Length17.25 in.
    Sound LevelMild
    Muffler MaterialStainless 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 Diameter3.13 in.
    Exit QuantityOne
    Tip MaterialStainless steel
    Muffler Flanged OutletNo
    Tip Quantity1
    Exhaust Tip ResonatedNo
    Exhaust TypeSingle
    Catalytic Converter IncludedNo
    Heat Shield IncludedNo
    Part CategoryPerformance Parts
    Hardware IncludedYes
    Exhaust Tip WallSingle Wall
    Exhaust Tip Quantity1
    Exhaust Tip FinishPolished
    Exhaust Tip EdgeRolled Edge Angle Cut
    Valve IncludedNo
    Muffler TypeChambered
    Pipe Material409 Stainless Steel
    Muffler Body Width10 in.
    Tail Pipe Tapered OutletNo
    Muffler Body ShapeOval
    Mounting Bracket IncludedNo
    Muffler Outlet Quantity1
    Muffler FinishBlack High-Temperature Paint Finish
    Inlet Diameter3 in.
    Clamps IncludedYes
    Muffler StyleChambered
    Tip Outlet Size3.5 in (88.9 mm)
    FinishNatural
    Exit StyleSingle Out Side
    Muffler Body Height5 in.
    Tip IncludedYes
    Clamping TypeFlat Band
    Muffler Flanged InletNo
    Spring Bolt Kit IncludedNo
    Muffler SeriesSuper 50 Series
    QuantitySold as a kit
    Muffler IncludedYes
    Exhaust Tip ConnectionClamp-On
    System StyleCat Back
    Tail Pipe Outlet Outside Diameter3 in.
    Muffler ConfigurationSingle inlet/Single outlet
    System MaterialStainless steel
    Valve TypeNot Applicable
    Tip Edge StyleRolled edge
    Tip ShapeRound
    Intermediate Pipe Diameter3 in (76.2 mm)
    Exhaust Tip Diameter3.50 in.
    Part FitmentDirect Fit
    Vendor Part Number817523
    Package Qty1
    Package TypeEA
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