OE Quality 60-Day Returns

Walker 43425 Exhaust Pipe - Rear

Brand	Walker 43425
Position	Rear
Material	Steel
Inlet Inside Diameter	3
Inlet Quantity	1
Outlet Inside Diameter	3
Outlet Quantity	1
Finish	Aluminized
Inlet 1 Inside Diameter	3
Inlet 1 Type	Pipe connection
Inlet Type	Pipe connection
Length	22.5
Outlet 1 Inside Diameter	3
Outlet 1 Type	Pipe connection
Outlet Type	Pipe connection
Pipe Wall Thickness	0.06
Universal Or Specific Fit	Specific fit
Fits	Chevrolet and GMC · 120 vehicles

Specific fit. Precision-checked for a precise fit and quick, easy installation.

Aluminized steel. Built for durability with a corrosion-resistant finish.

Exhaust pipe. A direct replacement pipe for exhaust and tail pipe applications.

Cross-references Dorman - HELP 38553 and 48457 for the same application. See all 2.

$172.14Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

Free return shipping if it doesn't fit when you check fitment here first.

Confirm position

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Exhaust Pipe options

Walker 43425 Exhaust Pipe for GM HD Trucks

Walker 43425 is a specific-fit exhaust pipe for select Chevrolet and GMC heavy-duty trucks from 1988-1995. Built from aluminized steel with 3-inch pipe connections, it is made for direct replacement where the original exhaust routing matches the listed application.

Key Features

Aluminized steel construction for corrosion resistance and durability
3-inch inlet and 3-inch outlet with pipe connection ends
22.5-inch overall length
0.06-inch pipe wall thickness
Specific-fit design for easier alignment during exhaust repair
Walker 43425 exhaust pipe for Chevrolet C2500, C3500, K2500, and K3500 applications

Detailed Description

This Walker exhaust pipe is manufactured with precision bending and fixture checking to help ensure the pipe matches the intended exhaust path. The aluminized steel finish adds durability for everyday truck use, while the 3-inch diameter and specific-fit design support a clean replacement on select Chevrolet C2500, Chevrolet C3500, Chevrolet K2500, Chevrolet K3500, GMC C2500, GMC C3500, GMC K2500, and GMC K3500 models. Walker 43425 is a practical choice when replacing a worn or damaged exhaust section on GM heavy-duty trucks with the listed muffler inlet and catalytic converter configurations.

This part cross-references Dorman - HELP 38553 for the same application.

What This Exhaust Pipe Helps Address

Rusted or corroded exhaust pipe sections
Cracked or leaking exhaust tubing
Restricted exhaust flow from damaged pipe sections
Fitment issues during repair of factory-style exhaust routing
Replacement needs on welded exhaust assemblies where listed parts must be replaced

Installation Notes and Tips

Compatible With 1988-1995 Chevrolet C2500, 1990-1995 Chevrolet C2500, and 1992-1993 Chevrolet C2500 applications noted for 3-inch muffler inlet or welded assembly service.
Compatible With 1988-1995 Chevrolet C3500, 1992-1993 Chevrolet C3500, and 1993 Chevrolet C3500, rear applications listed with 3-inch muffler inlet or 15000 lb GVW notes.
Compatible With 1990-1995 Chevrolet K2500, 1992-1993 Chevrolet K2500, and 1988-1993 Chevrolet K3500 applications with the listed exhaust configuration notes.
Compatible With 1990-1995 GMC C2500, 1992-1993 GMC C2500, 1988-1995 GMC C3500, 1992-1993 GMC C3500, 1990-1995 GMC K2500, 1992-1993 GMC K2500, and 1988-1993 GMC K3500 applications shown in the fitment data.
Verify muffler inlet size, catalytic converter setup, and whether the vehicle uses a welded assembly before installation.

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to support consistent fitment and installation on the listed GM truck applications. The aluminized steel construction is selected for durability in exhaust service.

This part fits 120 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Wheel Base	Position	Notes
1995	Chevrolet	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1995	Chevrolet	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1995	Chevrolet	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1995	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1995	GMC	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1995	GMC	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1995	GMC	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1995	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1994	Chevrolet	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	Chevrolet	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	Chevrolet	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	Chevrolet	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	Chevrolet	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1994	GMC	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	GMC	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	GMC	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	GMC	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	GMC	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1994	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1993	Chevrolet	C2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	C2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1993	Chevrolet	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	C3500	6.5L	V8	131.5"	Rear	with 3 (in) Muffler Inlet; with 15000 (lb) Gross Vehicle Weight (GVW)
1993	Chevrolet	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	K2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	K2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1993	Chevrolet	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	K3500	6.5L	V8	131.5"	Rear	with 15000 (lb) Gross Vehicle Weight (GVW)
1993	Chevrolet	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1993	GMC	C2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	C2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1993	GMC	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	C3500	6.5L	V8	131.5"	Rear	with 15000 (lb) Gross Vehicle Weight (GVW)
1993	GMC	K2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	K2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1993	GMC	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1993	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1993	GMC	K3500	6.5L	V8	131.5"	Rear	with 15000 (lb) Gross Vehicle Weight (GVW)
1993	GMC	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	C2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	C2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1992	Chevrolet	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	C3500	6.5L	V8	131.5"	Rear	with 15000 (lb) Gross Vehicle Weight (GVW)
1992	Chevrolet	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	K2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	K2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1992	Chevrolet	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	K3500	6.5L	V8	131.5"	Rear	with 15000 (lb) Gross Vehicle Weight (GVW)
1992	Chevrolet	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1992	GMC	C2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	C2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1992	GMC	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	C3500	6.5L	V8	131.5"	Rear	with 15000 (lb) Gross Vehicle Weight (GVW)
1992	GMC	K2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	K2500	6.5L	V8	131.5"	N/A	If welded assembly, replace all required parts
1992	GMC	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1992	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1992	GMC	K3500	6.5L	V8	131.5"	Rear	with 15000 (lb) Gross Vehicle Weight (GVW)
1992	GMC	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	C2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	K2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1991	GMC	C2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	C2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	K2500	6.2L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	K2500	5.7L	V8	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1991	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1991	GMC	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	Chevrolet	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	Chevrolet	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	Chevrolet	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	Chevrolet	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1990	Chevrolet	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	GMC	C2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	GMC	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	GMC	C3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	GMC	K2500	4.3L	V6	131.5"	N/A	Over 8500 (lb) GVW; with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	GMC	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1990	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1989	Chevrolet	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1989	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1989	Chevrolet	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1989	GMC	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1989	GMC	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1989	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1988	Chevrolet	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1988	Chevrolet	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
1988	Chevrolet	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1988	GMC	C3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1988	GMC	K3500	6.2L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; If welded assembly, replace all required parts
1988	GMC	K3500	5.7L	V8	131.5"	N/A	with 3 (in) Muffler Inlet; with Single Catalytic Converter; If welded assembly, replace all required parts
No rows match your filter.

Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Dorman - HELP — 3855348457