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1988 GMC K2500

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Displaying 1 to 17 (of 17 products)
On Sale:

$94.83

Avail:
10 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
Under 8500 G.V.W.R.
If welded assembly, replace all required parts.
Optional
Ultra Flo for 22512
 
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
Under 8500 G.V.W.R.
If welded assembly, replace all required parts.
Optional
Ultra Flo for 22512

1 Per Vehicle
On Sale:

$297.21

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Optional
Ultra Flo for 18344
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Optional
Ultra Flo for 18344
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Optional
Ultra Flo for 18344
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Optional
Ultra Flo for 18344
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
Over 8500 G.V.W.R.
w/ 2.5 Muffler Inlet
Dual Outlet
If welded assembly, replace all required parts.
Regular Duty Muffler.
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
Ultra Flo for 18344
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
Ultra Flo for 18344
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
Ultra Flo for 18344
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
Ultra Flo for 18344
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV
 
1
 
Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV,
5.7L V8 Gas OHV Dynomax Ultra Flo Welded Universal Muffler
w/ 2.5 Muffler Inlet
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Wheel Base 155.5 In.

1 Per Vehicle
On Sale:

$118.48

Avail:
1 in Stock
Warehouse: US-7
Qty:
EngineFit NotesFitment Notes
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
Muffler
141 WB
2-1/2 Inlet
Or {22171}
Super Turbo
Under 8500 GVW
VIN: C, MFI, Natural
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Muffler
141 WB
2-1/2 Inlet
Or {22171}
Super Turbo
Under 8500 GVW
VIN: C, MFI, Natural
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
Muffler
141 WB
2-1/2 Inlet
Or {22171}
Super Turbo
Under 8500 GVW
VIN: K, TBI, Natural
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Muffler
141 WB
2-1/2 Inlet
Or {22171}
Super Turbo
Under 8500 GVW
VIN: K, TBI, Natural
On Sale:

$75.81

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
Quiet-Flow SS
Below 8500 (lb) GVW
Premium
Limited Lifetime Warranty
If welded assembly, replace all required parts
 
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV Quiet-Flow SS
Below 8500 (lb) GVW
Premium
Limited Lifetime Warranty
If welded assembly, replace all required parts

1 Per Vehicle
On Sale:

$105.42

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 3 (in) Muffler Inlet
Limited Lifetime Warranty
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 3 (in) Muffler Inlet
Limited Lifetime Warranty
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 3 (in) Muffler Inlet
Limited Lifetime Warranty
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 3 (in) Muffler Inlet
Limited Lifetime Warranty
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
Quiet-Flow SS
Below 8500 (lb) GVW
Premium
Replacement Requires Intermediate Pipe
with 3 (in) Muffler Inlet
Limited Lifetime Warranty
If welded assembly, replace all required parts
8th VIN Digit: C
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Quiet-Flow SS
Below 8500 (lb) GVW
Premium
Replacement Requires Intermediate Pipe
with 3 (in) Muffler Inlet
Limited Lifetime Warranty
If welded assembly, replace all required parts
8th VIN Digit: C

1 Per Vehicle
On Sale:

$67.76

Avail:
6 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
Replacement requires 44461 or 45344
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
Replacement requires 44461 or 45344
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
Replacement requires 44461 or 45344
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
Replacement requires 44461 or 45344
If welded assembly, replace all required parts.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
If welded assembly, replace all required parts.
Replacement requires Intermediate Pipe.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
If welded assembly, replace all required parts.
Replacement requires Intermediate Pipe.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
If welded assembly, replace all required parts.
Replacement requires Intermediate Pipe.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Walker SoundFX Universal Muffler
w/3 Inch Muffler Inlet
If welded assembly, replace all required parts.
Replacement requires Intermediate Pipe.
Up to 8500 G.V.W.R.
Optional
SoundFX Universal for 22719
Wheel Base 155.5 In.

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EngineFit NotesFitment Notes
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Ultra-Flo
Under 8500 GVW
VIN: C, MFI, Natural
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Ultra-Flo
Under 8500 GVW
VIN: C, MFI, Natural
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Ultra-Flo
VIN: K, TBI, Natural
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Ultra-Flo
VIN: K, TBI, Natural
On Sale:

$56.31

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
Dynomax Super Turbo Universal Muffler
Under 8500 G.V.W.R.
If welded assembly, replace all required parts.
Optional
Super Turbo for 22512
 
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV Dynomax Super Turbo Universal Muffler
Under 8500 G.V.W.R.
If welded assembly, replace all required parts.
Optional
Super Turbo for 22512

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EngineFit NotesFitment Notes
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Super Turbo
Under 8500 GVW
VIN: C, MFI, Natural
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Super Turbo
Under 8500 GVW
VIN: C, MFI, Natural
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Super Turbo
VIN: K, TBI, Natural
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV Muffler
131/155 WB
2-1/2 Inlet
Or {22511}
Super Turbo
VIN: K, TBI, Natural
On Sale:

$61.55

Avail:
1 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
Requires 35667 And Two 35564
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Universal
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
Requires 35667 And Two 35564
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
Requires 35667 And Two 35564
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Universal
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
Requires 35667 And Two 35564
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
Replacement Requires Intermediate Pipe
with 3 (in) Muffler Inlet
Requires 35667 And Two 35564
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Universal
Below 8500 (lb) GVW
Replacement Requires Intermediate Pipe
with 3 (in) Muffler Inlet
Requires 35667 And Two 35564
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Universal
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Universal
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Universal
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Universal
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Universal
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
Modifications and/or Additional Parts May Be Required for Installation
Wheel Base 155.5 In.

1 Per Vehicle
On Sale:

$39.88

Avail:
4 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
Modifications and/or Additional Parts May Be Required for Installation
 
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV SoundFX Universal
Below 8500 (lb) GVW
Modifications and/or Additional Parts May Be Required for Installation

1 Per Vehicle
On Sale:

$44.32

Avail:
5 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
Single Outlet Muffler Replaces Dual Outlet
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Universal
Below 8500 (lb) GVW
Single Outlet Muffler Replaces Dual Outlet
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Universal
Below 8500 (lb) GVW
Single Outlet Muffler Replaces Dual Outlet
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Universal
Below 8500 (lb) GVW
Single Outlet Muffler Replaces Dual Outlet
with 2.5 (in) Muffler Inlet
Modifications and/or Additional Parts May Be Required for Installation
8th VIN Digit: C
Wheel Base 155.5 In.

1 Per Vehicle
On Sale:

$64.34

Avail:
4 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 3 (in) Muffler Inlet
Requires 44461 Or 45344
If welded assembly, replace all required parts
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
Replacement Requires Intermediate Pipe
with 3 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Direct Fit
Below 8500 (lb) GVW
Replacement Requires Intermediate Pipe
with 3 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C

1 Per Vehicle
On Sale:

$49.47

Avail:
6 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
If welded assembly, replace all required parts
 
1988 GMC K2500 equipped with
5.0L V8 Gas OHV,
4.3L V6 Gas OHV SoundFX Direct Fit
Below 8500 (lb) GVW
If welded assembly, replace all required parts

1 Per Vehicle
On Sale:

$60.62

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 155.5 In.

1 Per Vehicle
On Sale:

$63.70

Avail:
4 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV SoundFX Direct Fit
Below 8500 (lb) GVW
with 2.5 (in) Muffler Inlet
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 155.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Direct Fit
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
If welded assembly, replace all required parts
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Direct Fit
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
If welded assembly, replace all required parts
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
5.7L V8 Gas OHV
 
1
 
SoundFX Direct Fit
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
If welded assembly, replace all required parts
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
5.7L V8 Gas OHV SoundFX Direct Fit
Over 8500 (lb) GVW
Regular Duty Muffler
with 2.5 (in) Muffler Inlet
with 8,500 (lb) Gross Vehicle Weight (GVW)
with Dual Outlets
If welded assembly, replace all required parts
Wheel Base 155.5 In.

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 2.5 (in) Muffler Inlet
Limited Lifetime Warranty
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 131.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 2.5 (in) Muffler Inlet
Limited Lifetime Warranty
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 131.5 In.

1 Per Vehicle
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV
 
1
 
Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 2.5 (in) Muffler Inlet
Limited Lifetime Warranty
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 155.5 In.
 
1988 GMC K2500 equipped with
6.2L V8 Diesel OHV Quiet-Flow SS
Below 8500 (lb) GVW
Premium
with 2.5 (in) Muffler Inlet
Limited Lifetime Warranty
If welded assembly, replace all required parts
8th VIN Digit: C
Wheel Base 155.5 In.

1 Per Vehicle
Displaying 1 to 17 (of 17 products)