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817602 American Thunder Cat-Back Exhaust System 2011-2018 GM Silverado/Sierra 1500 6.2L (Crew/Double Cab)
InfoVehicle Info Needed
FLOWMASTERPART NUMBER: 389-817602

817602 American Thunder Cat-Back Exhaust System 2011-2018 GM Silverado/Sierra 1500 6.2L (Crew/Double Cab)

$1,17195
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GM
American Thunder Cat-Back Exhaust System
  • 2011-2018 GM Silverado/Sierra 1500 6.2L (Crew/Double Cab)
  • 2.5" Tubing
  • 3.5" Polished SS Tips
  • Dual Rear/Side Exit
  • 50 Series HD Muffler
  • 409S Stainless Steel

    FLOWMASTER MUFFLERS 817602 Features:

    The American Thunder® Cat-back exhaust system for 2011-2018 Chevrolet Silverado and GMC Sierra 1500 trucks with the 6.2L engine, is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior tone. This bolt-on stainless steel system features a 3.50-inch mandrel-bent inlet pipe flowing into the 50 Series™ HD performance muffler with large 4.00-inch internals and a built-in tuned resonance chamber to minimize interior drone. The system has dual 2.50-inch mandrel-bent tailpipes which use the factory hanger locations and are finished off with large 3.50-inch polished stainless steel tips. This exhaust system gives you choices for tailpipe exit location either out each side behind the rear tires if you do a lot of towing, or straight-out under the rear bumper for a muscular look. The exhaust system is covered by our Lifetime Limited Warranty and includes all necessary parts and hardware for easy installation you can do at home. Note: Fits 2/4 WD model with Crew Cab/Short Bed (143.5" WB), Crew Cab/Standard Bed (153" WB) and Double Cab/Standard Bed (143.5" WB).
    • Dyno Tuned For Maximum Performance
    • Uses the Factory Hanger Locations
    • 50 Series HD Performance Muffler
    • Your Choice of Two Tailpipe Exits
    • Clears the Factory Spare Tire
    • Stainless Steel Construction
    • Lifetime Limited Warranty

      • The Classic Sound of Flowmaster

      Flowmaster American Thunder Exhaust Systems for Truck/SUVs are ideal for the one looking for a moderate-to-aggressive exhaust tone, inside and out. The mufflers are tuned to deliver more power, torque, throttle response, and mileage. With easy fitment in mind, each system has mandrel-bent tubing for maximum performance and flow; and includes all necessary parts and hardware for installation.

    Part TypeExhaust System
    Product LineFlowmaster American Thunder Exhaust Systems for Truck/SUV
    BrandFLOWMASTER
    Package Height12.0
    Package Width16.5
    Package Length58.0
    Weight68.0 PG
    Muffler Inlet Inside Diameter3.50 in.
    Hangers IncludedYes
    Main Piping Diameter2.50 in.
    Tail Pipe QuantityDual
    Inlet TypeClamp-On
    Exhaust Tip Material304 Stainless Steel
    Catalytic Converter Quantity0
    Tip FinishPolished
    Muffler Body Length18 in.
    Sound LevelAggressive / Moderate
    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
    Tip Quantity2
    Exhaust Tip ResonatedNo
    Exhaust TypeDual
    Catalytic Converter IncludedNo
    Heat Shield IncludedNo
    Part CategoryPerformance Parts
    Exhaust Tip WallDouble Wall
    Exhaust Tip Quantity2
    Exhaust Tip FinishPolished
    Exhaust Tip EdgeAngle Cut
    Valve IncludedNo
    Muffler TypeChambered
    Pipe Material409 Stainless Steel
    Muffler Body Width10 in.
    Tail Pipe Tapered OutletNo
    Muffler Body ShapeOval
    Mounting Bracket IncludedYes
    Muffler Outlet Quantity2
    Muffler FinishNatural
    Mount TypeUses Factory Hangers
    Clamps IncludedYes
    FinishNatural
    Exit StyleDual Out Rear
    Muffler Body Height5 in.
    Clamping TypeFlat Band
    Muffler Flanged InletNo
    Spring Bolt Kit IncludedNo
    Muffler Series50 Series HD
    Muffler IncludedYes
    Exhaust Tip ConnectionClamp-On
    Tail Pipe Outlet Outside Diameter2.50 in.
    Valve TypeNot Applicable
    Exhaust Tip Diameter3.50 in.
    Part FitmentDirect Fit
    Vendor Part Number817602
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    Some parts are not legal for use in California or other states with similar laws / regulations
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