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  2. Auto Parts
  3. Exhaust
  4. Mufflers
  5. Exhaust Muffler
  6. Walker 18187

Walker 18187 Exhaust Muffler

Walker 18187 Exhaust Muffler
Walker 18187 Exhaust Muffler Image 1
Walker 18187 Exhaust Muffler

Walker
Brand:Walker
Part Number: 18187
UPC: 086387181877
Weight: 12 lbs
Condition:New



On Sale:

$55.76

Availability:
3 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

Get the Walker 18187 Exhaust Muffler for your vehicle. Buy now and secure your purchase online!

Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Features and Benefits:

  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn't require specialized fabrication and/or welding
  • FACTORY SOUND -- Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER -- Designed and tested to extend muffler life
  • RESISTS CORROSION -- Aluminized steel construction and internal drainage system helps reduce corrosion

Specifications:

Body Height:
4.25 in.
Body Length:
21 in.
Body Material:
Steel
Body Width:
9.75 in.
Finish:
Aluminized
Grade Type:
Regular
Inlet 1 Inside Diameter:
2.25 in.
Inlet 1 Type:
Pipe Connection
Inlet Configuration:
Offset
Inlet Inside Diameter:
2.25 in.
Inlet Offset:
2.875
Inlet Quantity:
1
Inlet Type:
Pipe Connection
Muffler Type:
Combination
Outlet 1 Outside Diameter:
2 in.
Outlet 1 Type:
Tip
Outlet Configuration:
Center
Outlet Outside Diameter:
2 in.
Outlet Quantity:
1
Outlet Type:
Tip
Overall Length:
31.75 in.
Reversible:
No
Shape:
Oval
Tunable:
No
Universal Or Specific Fit:
Specific
AP Exhaust #:
6590
AP Exhaust #:
700020
Country of Origin:
US

Select a vehicle to narrow Walker 18187 Exhaust Muffler fitment info!

Last Updated: 12/24/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

1991

 

1990

 

1989

 

1988

 

1991

 

1990

 

1989

 

1988

 
Chevrolet S10

2.8L V6 Gas OHV,
4.3L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
4WD
 

Chevrolet S10



2.8L V6 Gas OHV,
4.3L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
4WD

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1991

 

1990

 

1989

 

1988

 
Chevrolet S10

4.3L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

Chevrolet S10



4.3L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 
Chevrolet S10

2.5L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

Chevrolet S10



2.5L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Chevrolet S10

2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

Chevrolet S10



2.8L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1988

 

1987

 

1986

 

1985

 
Chevrolet S10

2.5L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

Chevrolet S10



2.5L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1987

 

1986

 

1985

 

1984

 

1983

 
Chevrolet S10

2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

Chevrolet S10



2.8L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Chevrolet S10

2.2L L4 Diesel OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 108.4 In.
RWD
 

Chevrolet S10



2.2L L4 Diesel OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 108.4 In.
RWD

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Chevrolet S10

2.2L L4 Diesel OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
RWD
 

Chevrolet S10



2.2L L4 Diesel OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
RWD

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Chevrolet S10

2.2L L4 Diesel OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 122.9 In.
RWD
 

Chevrolet S10



2.2L L4 Diesel OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 122.9 In.
RWD

1 Per Vehicle

1985

 

1984

 

1983

 

1985

 

1984

 

1983

 
Chevrolet S10

1.9L L4 Gas SOHC
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

Chevrolet S10



1.9L L4 Gas SOHC SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1985

 

1984

 

1983

 

1985

 

1984

 

1983

 
Chevrolet S10

1.9L L4 Gas SOHC
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

Chevrolet S10



1.9L L4 Gas SOHC SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Chevrolet S10

2.0L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

Chevrolet S10



2.0L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Chevrolet S10

2.0L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

Chevrolet S10



2.0L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1982

 

1982

 
Chevrolet S10

1.9L L4 Gas SOHC,
2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
Wheel Base 108.4 In.
 

Chevrolet S10



1.9L L4 Gas SOHC,
2.8L V6 Gas OHV SoundFX Direct Fit
Wheel Base 108.4 In.

1 Per Vehicle

1982

 

1982

 
Chevrolet S10

1.9L L4 Gas SOHC,
2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
Wheel Base 118.0 In.
 

Chevrolet S10



1.9L L4 Gas SOHC,
2.8L V6 Gas OHV SoundFX Direct Fit
Wheel Base 118.0 In.

1 Per Vehicle

1990

 

1989

 

1988

 

1990

 

1989

 

1988

 
GMC S15

2.8L V6 Gas OHV,
4.3L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
4WD
 

GMC S15



2.8L V6 Gas OHV,
4.3L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
4WD

1 Per Vehicle

1990

 

1989

 

1988

 

1990

 

1989

 

1988

 
GMC S15

4.3L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

GMC S15



4.3L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 
GMC S15

2.5L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

GMC S15



2.5L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC S15

2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

GMC S15



2.8L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1988

 

1987

 

1986

 

1985

 
GMC S15

2.5L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

GMC S15



2.5L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC S15

2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

GMC S15



2.8L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
GMC S15

2.2L L4 Diesel OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 108.4 In.
RWD
 

GMC S15



2.2L L4 Diesel OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 108.4 In.
RWD

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
GMC S15

2.2L L4 Diesel OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
RWD
 

GMC S15



2.2L L4 Diesel OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
RWD

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
GMC S15

2.2L L4 Diesel OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 122.9 In.
RWD
 

GMC S15



2.2L L4 Diesel OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 122.9 In.
RWD

1 Per Vehicle

1985

 

1984

 

1983

 

1985

 

1984

 

1983

 
GMC S15

1.9L L4 Gas SOHC
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

GMC S15



1.9L L4 Gas SOHC SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1985

 

1984

 

1983

 

1985

 

1984

 

1983

 
GMC S15

1.9L L4 Gas SOHC
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

GMC S15



1.9L L4 Gas SOHC SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
GMC S15

2.0L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

GMC S15



2.0L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
GMC S15

2.0L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD
 

GMC S15



2.0L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
Wheel Base 118.0 In.
4WD

1 Per Vehicle

1982

 

1982

 
GMC S15

1.9L L4 Gas SOHC,
2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
Wheel Base 108.4 In.
 

GMC S15



1.9L L4 Gas SOHC,
2.8L V6 Gas OHV SoundFX Direct Fit
Wheel Base 108.4 In.

1 Per Vehicle

1982

 

1982

 
GMC S15

1.9L L4 Gas SOHC,
2.8L V6 Gas OHV
1
 
SoundFX Direct Fit
Wheel Base 118.0 In.
 

GMC S15



1.9L L4 Gas SOHC,
2.8L V6 Gas OHV SoundFX Direct Fit
Wheel Base 118.0 In.

1 Per Vehicle

1991

 

1991

 
GMC Sonoma

2.5L L4 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
RWD
 

GMC Sonoma



2.5L L4 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
RWD

1 Per Vehicle

1991

 

1991

 
GMC Sonoma

2.8L V6 Gas OHV,
4.3L V6 Gas OHV
1
 
SoundFX Direct Fit
If welded assembly, replace all required parts
4WD
 

GMC Sonoma



2.8L V6 Gas OHV,
4.3L V6 Gas OHV SoundFX Direct Fit
If welded assembly, replace all required parts
4WD

1 Per Vehicle