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718188 Flow FX Cat-Back Exhaust System; 1996-1999 GM 1500 trucks with 5.7L, Cat-Back, dual out same side exit, stainless steel
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FLOWMASTERPART NUMBER: 389-718188

718188 Flow FX Cat-Back Exhaust System; 1996-1999 GM 1500 trucks with 5.7L, Cat-Back, dual out same side exit, stainless steel

$72795
ShippingShips on Sep 14, 2026
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    Flow FX Cat-Back Exhaust System
  • 1996-1999 GM 1500 trucks with 5.7L, Cat-Back, dual out same side exit, stainless steel
  • Sold Individually

    Flowmaster 718188 Features:

    This Flowmaster® Flow FX cat-back exhaust system is for the 1996-1999 GM 1500 trucks with the 5.7-liter engine. This system is manufactured using durable 409 stainless steel tubing and is mandrel bent for better exhaust gas flow. A Flow FX Series muffler is used for an improved sound level and maximum performance. This system uses dual 4.0-inch black ceramic coated tips that exit on the passenger side of the truck, just in front of the rear wheel. 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. This system fits all single cab and extended cab models in both 2 and 4 wheel drive. Backed by Flowmaster's Lifetime Limited Warranty.

Part TypeExhaust System
BrandFLOWMASTER
Package Height10.0
Package Width20.5
Package Length40.5
Weight46.0 PG
Muffler Inlet Inside Diameter3 in.
Hangers IncludedYes
Main Piping Diameter2.50 in.
Tail Pipe QuantityDual
Inlet TypeFlanged
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Muffler Body Length14 in.
Sound LevelAggressive / Moderate
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.
Muffler Flanged OutletNo
Exhaust Tip ResonatedNo
Muffler Outlet LocationDual
Catalytic Converter IncludedNo
Part CategoryPerformance Parts
Exhaust Tip WallDouble Wall
Exhaust Tip Quantity2
Muffler Inlet LocationCenter
Exhaust Tip FinishBlack Ceramic Coating
Exhaust Tip EdgeAngle Cut
Valve IncludedNo
Muffler TypeAbsorption
Pipe Material409 Stainless Steel
Muffler Body Width9 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeOval
Mounting Bracket IncludedYes
Muffler Outlet Quantity2
Muffler FinishNatural
Mount TypeUses factory hangers
Clamps IncludedYes
FinishNatural
Exit StyleDual Out Same Side
Muffler Body Height4 in.
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler SeriesFlow FX
Muffler IncludedYes
Exhaust Tip ConnectionWelded
Tail Pipe Outlet Outside Diameter2.50 in.
Valve TypeNot Applicable
Exhaust Tip Diameter4 in.
Part FitmentDirect Fit
Vendor Part Number718188
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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