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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-717988
FlowFX Cat-Back Exhaust System Fits 2011-2018 GM 1500 6.2L
$99995
Ships on 09/08/2026
Lowest Price GuaranteeGM Trucks
FlowFX Cat-Back Exhaust System 2011-2018 GM 1500 6.2-Liter 2.500 in. Tubing 4.500 in. Black Ceramic Tip Dual Side Exit 409 Stainless Steel FlowFX Series Mufflers
Flowmaster 717988 FlowFX Cat-Back Exhaust System Features:
- Includes hardware
- Gains up to +11 Horsepower (HP)
- Gains up to +15 ft.-lbs. Torque (TQ)
- Black ceramic-coated stainless steel tips provide a modern appearance
- Dyno-tuned for increased power gains
- Creates a deep exhilarating exhaust tone
- Heavy-duty 16-gauge mandrel-bent tubing maximizes flow
- Equipped with FlowFX straight-through performance mufflers
- Simple bolt-on design using original equipment (OE) hanger points
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.
Part TypeExhaust System
BrandFLOWMASTER
Package Height11.25
Package Width16.25
Package Length58.5
Weight67.75 PG
Tip Diameter4.5 in (114.3 mm)
Muffler Inlet Inside Diameter3.50 in.
Hangers IncludedYes
Main Piping Diameter2.50 in.
Tail Pipe QuantityDual
Inlet TypeClamp-On
Tip CutAngle
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Muffler Count1
Tip FinishBlack Ceramic
Muffler Body Length18 in.
Sound LevelModerate
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.
Exit QuantityDual
Tip Material304 stainless steel
Muffler Flanged OutletNo
Tip Quantity2
Exhaust Tip ResonatedNo
Muffler Outlet LocationDual
Catalytic Converter IncludedNo
Part CategoryPerformance Parts
Hardware IncludedYes
Exhaust Tip WallSingle Wall
Exhaust Tip Quantity2
Muffler Inlet LocationCenter
Exhaust Tip FinishBlack Ceramic Coating
Exhaust Tip EdgeRolled Edge
Valve IncludedNo
Muffler TypeAbsorption
Pipe Material409 Stainless Steel
Muffler Body Width10 in.
Tail Pipe Tapered OutletNo
Exit PositionDual Side Rear
Gauge16
Muffler Body ShapeOval
Mounting Bracket IncludedYes
Muffler Outlet Quantity2
Muffler FinishNatural
Mount TypeUses Factory Hangers
Clamps IncludedYes
FinishNatural
Exit StyleDual Out Side
Muffler Body Height5 in.
Tip IncludedYes
Clamping TypeFlat Band
Muffler Flanged InletNo
Pipe Diameter2.5 in (63.5 mm)
Mandrel-BentYes
Spring Bolt Kit IncludedNo
Muffler SeriesFlow FX
QuantitySold as a kit
Muffler IncludedYes
Exhaust Tip ConnectionClamp-On
System StyleCat-back
Tail Pipe Outlet Outside Diameter2.50 in.
System Material409 Stainless Steel
Valve TypeNot Applicable
Tip Edge StyleRolled edge
Tip ShapeRound
Exhaust Tip Diameter4.50 in.
Part FitmentDirect Fit
Vendor Part Number717988
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
