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Flowmaster  |  SKU: 718111

Flowmaster Flow FX Cat-Back Exhaust System - 718111

Fits 2020-2025 GM 2500HD/3500HD 6.6-Liter Gas, Cat-Back, Dual Side Exit, Stainless Steel Exhaust System

Regular price $2,024.00 NZD + GST
Shipping calculated at checkout.

Description

Fits 2020-2025 GM 2500HD/3500HD 6.6-Liter Gas, Cat-Back, Dual Side Exit, Stainless Steel Exhaust System

Part Number: 718111

This Flowmaster® Flow FX® cat-back exhaust system for the 2020-2025 GM 2500HD/3500HD trucks with the 6.6-liter gas engine is manufactured using durable 409 stainless steel throughout and features 3.50 to dual 3.00-inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +9 hp and +10 lb-ft at the rear wheels. This system exits out both sides, behind the rear wheels with 4.50-inch black ceramic tips for added style and a custom look. 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. Backed by Flowmaster's Lifetime Limited Warranty.

Features and Benefits

• Max increases of up to 9 hp and 10 lb-ft over the stock exhaust at the rear wheels
• 3.50 to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
• 4.50-Inch black ceramic coated 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” performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow

2020-2025 GM 2500HD/3500HD Trucks with 6.6-liter gas engines. Fits 2 & 4-wheel drive, Crew Cab with 6.5-foot bed only. Does not fit 5th wheel towing packages. Does not fit ZR2 and AT4X packages.

Specifications

  • Specifications
    BrandFlowmaster
    California Proposition 65Yes
    California Proposition 65 Chemical NameChromium (hexavalent compounds)
    California Proposition 65 Chemical NameNickel (Metallic)
    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 Diameter4.50
    Exhaust Tip EdgeRolled Edge
    Exhaust Tip FinishBlack Ceramic Coating
    Exhaust Tip IntercooledNo
    Exhaust Tip Length11.00
    Exhaust Tip Material304 Stainless Steel
    Exhaust Tip Quantity2
    Exhaust Tip ResonatedNo
    Exhaust Tip ShapeRound
    Exhaust Tip WallSingle Wall
    Exit StyleDual Out Side
    FinishNatural
    Gasket Or Seal IncludedNo
    Grade TypePerformance
    Hangers IncludedYes
    Inlet TypeFlanged
    Main Piping Diameter3.00
    Mount TypeUses Factory Hangers
    Mounting Bracket IncludedNo
    Muffler Body Height5.00
    Muffler Body Length18.00
    Muffler Body Material409 Stainless Steel
    Muffler Body ShapeOval
    Muffler Body Width10.00
    Muffler ColorSilver
    Muffler FinishNatural
    Muffler Flanged InletNo
    Muffler Flanged OutletNo
    Muffler IncludedYes
    Muffler Inlet ConnectionSlip-Fit
    Muffler Inlet Inside Diameter3.50
    Muffler Inlet LocationCenter
    Muffler Inlet Outside Diameter3.63
    Muffler Outlet ConnectionSlip-Fit
    Muffler Outlet Diameter3.00
    Muffler Outlet LocationDual
    Muffler Outlet Quantity2
    Muffler Overall Length24.00
    Muffler Part NumberKit Only
    Muffler Quantity1
    Muffler SeriesFlow FX
    Muffler TypeAbsorption
    part typeExhaust System
    Pipe ColorSilver
    Pipe Material409 Stainless Steel
    Product TypeExhaust System
    Sound LevelModerate
    Spring Bolt Kit IncludedNo
    Sub CategoryExhaust and Tail Pipes
    Tail Pipe Outlet Outside Diameter3.00
    Tail Pipe Quantity2
    Tail Pipe QuantityDual
    Tail Pipe Tapered OutletNo
    Tip LogoEmbossed
    TypeCat-Back
    Valve IncludedNo
    Valve TypeNot Applicable
    WarningCalifornia Proposition 65
  • Instructions

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