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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-718190
718190 FlowFX Cat-Back Exhaust System for 1994–1995 GM 1500/2500 LD 5.0/5.7L
$1,04995
Ships on 09/10/2026
Lowest Price GuaranteeGM Trucks
FlowFX Cat-Back Exhaust System1994–1995 GM 1500/2500 LD 5.0/5.7L 2.5 in. Tubing Dual Out Side Exit FlowFX Series Muffler Dual 4.50 in. Black Ceramic-Coated Tips Moderate Sound Stainless Steel Natural Finish
Flowmaster 389-718190 Features:
Flowmaster’s FlowFX Cat-Back Exhaust System is engineered for 1994–1995 GM 1500 and 2500 LD trucks equipped with the 5.0L or 5.7L engine. Built from mandrel-bent 409 stainless steel, this system is designed to improve exhaust flow, enhance durability, and deliver a deep, refined performance tone. A straight-through FlowFX Series muffler reduces restriction while sharpening throttle response and overall drivability. Dual 4.5 in. black ceramic-coated stainless steel tips exit stylishly at the side of the truck, giving classic GM pickups a bold, modern appearance. The system installs easily using factory hanger locations and includes all required hardware and instructions, making it a straightforward upgrade for both 2WD and 4WD single- and extended-cab models. Backed by Flowmaster’s Lifetime Limited Warranty.- Straight-through FlowFX Series muffler enhances exhaust flow and delivers a deep, performance-focused tone
- 3.0 in. and 2.5 in. mandrel-bent 409 stainless steel tubing boosts durability and improves exhaust velocity
- Dual 4.5 in. black ceramic-coated stainless steel tips create a bold, custom exterior appearance
- Factory-style hangers and complete hardware kit ensure a simple, direct bolt-on installation
- Fits 1994–1995 GM 1500/2500 LD single-cab and extended-cab trucks in both 2WD and 4WD configurations
- Includes Flowmaster’s Lifetime Limited Warranty for long-term peace of mind
Part TypeExhaust System
BrandFLOWMASTER
Package Height11.7
Package Width16.3
Package Length58.0
Weight73.0 PG
Tailpipe Diameter (In.)2.5
Muffler Inlet Inside Diameter3 in.
Hangers IncludedYes
Main Piping Diameter2.50 in.
Tail Pipe QuantityDual
Inlet TypeClamp-On
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Exit LocationDual Out Side
Inlet QuantityOne
Muffler Body Length14 in.
Sound LevelModerate/Mild
Muffler Body Material409 Stainless Steel
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Exhaust Tip IntercooledNo
Pipe ColorSilver
System FinishNatural
Muffler Quantity1
Muffler Inlet Outside Diameter3.13 in.
Exit QuantityDual
Muffler Flanged OutletNo
Tip Quantity2
Exhaust Tip ResonatedNo
Muffler Outlet LocationDual
Exhaust TypeCat-Back
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 Width9 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeOval
Mounting Bracket IncludedYes
Muffler Outlet Quantity2
Muffler FinishNatural
Mount TypeUses factory hangers
Clamps IncludedYes
Muffler StyleFlowmaster FlowFX
FinishNatural
Exit StyleDual Out Side
Muffler Body Height4 in.
Tip IncludedYes
Clamping TypeFlat Band
Muffler Flanged InletNo
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.
Muffler ConfigurationSingle inlet/Dual outlet
System Material409 Stainless Steel
Valve TypeNot Applicable
Intermediate Pipe Diameter2.5 in (63.5 mm)
Exhaust Tip Diameter4.50 in.
Part FitmentDirect Fit
Vendor Part Number718190
Package Qty1
Package TypeEA
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