Outlaw Cat-Back Exhaust System fits Select Chevy Silverado, GMC Sierra 2500HD/3500HD Pickup Truck 6.6L (Crew Cab)
InfoVehicle Info Needed
FLOWMASTERPART NUMBER: 389-818112

Outlaw Cat-Back Exhaust System fits Select Chevy Silverado, GMC Sierra 2500HD/3500HD Pickup Truck 6.6L (Crew Cab)

$1,04995
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GM
Outlaw Cat-Back Exhaust System
  • Fits Select GM Silverado, Sierra 2500HD/3500HD Pickup 6.6L (Gas)
    • Crew Cab w/6.5 ft. Bed & 159 in. W/B Only
  • 3.500 in. Inlet
  • Dual 3 in. Outlets
  • 4 in. Polished Tips
  • Dual Out Rear/Dual Out Side Exit

    Breakdown of Included Items

    Flowmaster 818112 Outlaw Cat-Back Exhaust System Features:

    • Super 10 series performance muffler delivers an aggressive sound level
    • Increases of up to 9 horsepower and 9 ft-lbs. of torque at the rear wheels over the factory exhaust
    • 4 in. 304 Stainless steel tips can be configured to dual straight out the back, or dual out the sides behind the rear wheels
    • Uses factory hanger locations
    • 409S Stainless steel muffler and exhaust tubing

    Note: Will Not Fit Models with 5th Wheel Hitch Installed.

    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.

  • Part TypeExhaust System
    BrandFLOWMASTER
    Package Height19.0
    Package Width19.5
    Package Length57.13
    Weight68.0 PG
    Tailpipe Diameter (In.)3
    Muffler Inlet Inside Diameter3.50 in.
    Hangers IncludedYes
    Main Piping Diameter3 in.
    Tail Pipe QuantityDual
    Inlet TypeFlanged
    Inlet Size (In.)3.50
    Tip CutAngle
    Exhaust Tip Material304 Stainless Steel
    Catalytic Converter Quantity0
    Exit LocationDual side
    Tip FinishPolished
    Muffler Body Length6.50 in.
    Sound LevelAggressive
    Muffler Material409S Stainless Steel
    Muffler Body Material409 Stainless Steel
    UniversalNo
    Hanger IncludedYes
    Exhaust Tip CutAngled
    Gasket Or Seal IncludedNo
    Exhaust Tip IntercooledNo
    Pipe ColorSilver
    Muffler Quantity1
    Muffler Inlet Outside Diameter3.63 in.
    Exit QuantityDual
    Tip Material304 stainless steel
    Muffler Flanged OutletNo
    Tip QuantityDual
    Exhaust Tip ResonatedNo
    Muffler Outlet LocationDual
    Catalytic Converter IncludedNo
    Part CategoryPerformance Parts
    Hardware IncludedYes
    Exhaust Tip WallDouble Wall
    Exhaust Tip Quantity2
    Muffler Inlet LocationCenter
    Muffler Body FinishBlack Painted
    Exhaust Tip FinishPolished
    Exhaust Tip EdgeAngle Cut
    Valve IncludedNo
    Muffler TypeChambered
    Pipe Material409 Stainless Steel
    Muffler Body Width9.50 in.
    Tail Pipe Tapered OutletNo
    Muffler Body ShapeOval
    Mounting Bracket IncludedYes
    Muffler Outlet Quantity2
    Muffler FinishBlack High-Temperature Paint Finish
    Mount TypeUses Factory Hangers
    Inlet Diameter3.50 in.
    Clamps IncludedYes
    Muffler StyleReflection
    Tip Outlet Size4 in (101.6 mm)
    Horse Power Increase9 HP
    FinishNatural
    Exit StyleDual Out Rear
    Muffler Body Height4 in.
    Tip IncludedYes
    Clamping TypeFlat Band
    Muffler Flanged InletNo
    Mandrel-BentYes
    Spring Bolt Kit IncludedNo
    Muffler Series10 Series
    QuantitySold as a kit
    Muffler IncludedYes
    Exhaust Tip ConnectionClamp-On
    System StyleCat-back
    Tail Pipe Outlet Outside Diameter3 in.
    Muffler ConfigurationSingle inlet/Dual outlet
    System Material409S Stainless Steel
    Valve TypeNot Applicable
    Tip Edge StyleRolled edge, double-wall
    Tip ShapeRound
    Exhaust Tip Diameter4 in.
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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