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Flowmaster

Flowmaster Flow FX Cat-Back Exhaust System

Part # 717987

Fits 2011-2019 GM 2500HD/3500HD 6.0-Liter, Cat-Back, Dual Side Exit, Flow FX Stainless Steel Exhaust System

Flowmaster Flow FX Cat-Back Exhaust System

In Stock
Free Shipping - Lower 48 US States
Advertised Price $1,075.95
$967.95
Save $108.00
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5

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.

See Emissions Details
This Flowmaster® Flow FX® cat-back exhaust system for the 2011-2019 GM 2500HD/3500HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50 to 3.00-inch mandrel bent pipes for better exhaust gas flow. This system exits with dual 4.00-inch black stainless steel tips for added style and a custom look. Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Fits extended cab or crew cab models with the 6.5 foot bed only. Backed by Flowmaster's Lifetime Limited Warranty.

Features:

  • 3.50-inch to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • 4.00-Inch black stainless steel tips add a custom look to the truck
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Flow FX “Straight Through” muffler delivers and aggressive to moderate sound level with increased performance
  • Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Brand Flowmaster
California Proposition 65Yes
CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesFlow FX
Exhaust Tip ColorBlack
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter4.00 IN
Exhaust Tip EdgeAngle Cut
Exhaust Tip FinishBlack Ceramic Coating
Exhaust Tip IntercooledNo
Exhaust Tip Length13.00 IN
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallDouble Wall
Exit StyleDual Out Side
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Inlet TypeFlanged
Main Piping Diameter3.00 IN
Mount TypeUses Factory Hangers
Mounting Bracket IncludedYes
Muffler Body Height5.00 IN
Muffler Body Length18.00 IN
Muffler Body Material409 Stainless Steel
Muffler Body ShapeOval
Muffler Body Width10.00 IN
Muffler ColorSilver
Muffler FinishNatural
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler IncludedYes
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter3.50 IN
Muffler Inlet LocationCenter
Muffler Inlet Outside Diameter3.13 IN
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Diameter3.00 IN
Muffler Outlet LocationDual
Muffler Outlet Quantity2
Muffler Overall Length24.00 IN
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesFlow FX
Muffler TypeAbsorption
Part TypeExhaust System
Pipe ColorSilver
Pipe Material409 Stainless Steel
Product TypeExhaust System
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
Sub CategoryExhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter2.50 IN
Tail Pipe Quantity2
Dual
Tail Pipe Tapered OutletNo
Tip LogoEmbossed
TypeCat-Back
Valve IncludedNo
Valve TypeNot Applicable
UPC090127787908
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
Part Number717987
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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 - 717987_InstructionsV2.pdf
Instructions - Flowmaster Warranty 26 Update.pdf
2011-2019 GM 2500HD/3500HD trucks with the 6.0-liter engine. Fits extended cab or crew cab models with 6.5 foot bed only. May not fit with some fifth wheel hitches.

*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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

Flowmaster Flow FX Cat-Back Exhaust System
Flowmaster Flow FX Cat-Back Exhaust System
Advertised Price $1,075.95
$967.95
Save $108.00