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Flowmaster

Flowmaster Force II Cat-back Exhaust System

Fits 2011-2018 Chevrolet Silverado/GMC Sierra 1500 trucks with 6.2L engine.

Part # 817603 Be the first to write a review

Flowmaster Force II Cat-back Exhaust System

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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.

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This Force II® Cat-back stainless steel exhaust system is designed for 2011-2018 Chevrolet Silverado and GMC Sierra 1500 trucks with the 6.2L engine. Features include large 3.50-inch mandrel-bent tubing flowing into a Flowmaster 50 Series Big Block™ muffler for a muscular exterior sound, while the built-in Helmholtz chamber helps control the interior resonance. The system uses the factory hanger locations for an easy installation and is finished off with a highly polished 4.00-inch 304 stainless steel tip embossed with the Flowmaster® logo. This bolt-on system delivers noticeable performance gains while offering moderate interior and exterior sound levels and is covered by our Lifetime Limited Warranty.

Features:

  • Dyno Tuned For Maximum Performance
  • 50 Series Big Block Performance Muffler
  • Large 3.50-inch Mandrel-bent Tubing
  • Uses the Factory Hanger Locations
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Delta Flow Technology
  • Flowmaster Quality
2WD/4WD2WD
4WD
Brand Flowmaster
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeRound Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesForce II
Exhaust System Kit TypeCat-Back
Exhaust Tip Diameter4.00 IN
Exhaust Tip IntercooledNo
Exhaust Tip Quantity1
Exit PositionSingle Side Exit
Exit StyleSingle Side Exit
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter3.50 IN
Main Piping Diameter3.50 IN
Material409 Stainless Steel
Muffler Body Diameter12.00 IN
Muffler Body Length22.00 IN
Muffler Body Material409 Stainless Steel
Muffler Body ShapeOval
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler Inlet Inside Diameter3.50 IN
Muffler Inlet Outside Diameter3.50 IN
Muffler Part NumberKit Only
Muffler Quantity1
Muffler Series50 Series Big Block
Outlet Diameter3.50 IN
part typeExhaust System Kit
Pipe Material409 Stainless Steel
Product TypeExhaust System
Single DualSingle
Sound LevelModerate
Sub CategoryExhaust and Tail Pipes
System TypeCat-back
Tail Pipe Tapered OutletNo
Tip Diameter4.00 IN
Tip Quantity1
Tubing Diameter3.50 IN
TypeCat-Back
Valve IncludedNo
Valve TypeNot Included
UPC700042027651
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817603
5

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.
Instructions - 817603.pdf
Instructions - fm_warranty_general.pdf
Fits 2011-2018 Chevrolet Silverado/GMC Sierra 1500 trucks with 6.2L engine. Crew Cab/Short bed & Extra Cab/Standard bed models (143-inch wheelbase.)

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