2015-19 GM Colorado/Canyon 3.6L - Flowmaster FlowFX Cat-back Exhaust System 717834YouTube Button

Flowmaster FlowFX Cat-back Exhaust System

Fits 2015-2019 GMC Canyon, Chevy Colorado with 3.6L Engine.

PART# 717834

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Fits 2/4 wheel drives with 128.3 and 140.5-inch wheelbases.


Introducing Flowmaster's new line of FlowFX Cat-back exhaust systems for 2015-19 Chevy Colorado and GMC Canyon with 3.6L V6 engine. This dual 2.25-inch system is perfect for the person looking for a moderate to aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. Features include all stainless steel mandrel-bent tubing flowing into a FlowFX straight-through performance muffler for maximum power with a moderate interior tone and deep exterior sound. The dual tailpipes use all the factory hanger locations, clears the spare tire and are finished off with dual 3.00-inch polished 304 stainless steel tips exiting behind the rear passenger tire. The system is designed for an easy installation, includes all necessary parts, hardware and detailed instructions. Notes: Fits 2/4 wheel drives with 128.3 and 140.5-inch wheelbases.


  • Flowmaster Reliability
  • Moderate/Aggressive Sound
  • Full Stainless Steel Construction
  • Dyno-Tuned For Maximum Performance
  • FlowFX Straight-through Muffler


California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesFlowFX
Exit PositionDual Same Side Exit
Heat ShieldNo
Mount TypeUses Factory Hangers
Muffler Body Length (in)14
Muffler ColorNatural
Muffler FinishBrushed
Muffler Inlet Diameter (in)3
Muffler Inlet LocationCentered
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)2.25
Muffler Outlet LocationDual Outlet
Muffler Overall Length (in)20
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesFlowFX
Muffler ShapeOval
Muffler TypeAbsorption
Product TypeExhaust System
Single DualDual
Sound LevelMild/Moderate
System TypeCat-back
Tip CutSquare
Tip Diameter (in)3
Tip Edge StyleCut
Tip FinishPolished
Tip Length (in)8
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity2
Tip ShapeRound
Tubing Diameter (in)2.25
Tubing Material409S Stainless Steel
Part Number717834


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.

Tech Resources

Fits 2/4 wheel drives with 128.3 and 140.5-inch wheelbases.



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