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1979 GMC P3500

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Walker 21151 Exhaust Muffler
for 1979 GMC P3500 7.4L V8 Gas OHV

Walker 21151 Exhaust Muffler - 1979 GMC P3500 Image 1
Walker 21151 Exhaust Muffler - 1979 GMC P3500 Image 2
Walker 21151 Exhaust Muffler - 1979 GMC P3500

Walker
Brand:Walker
Part Number: 21151
UPC: 086387211512
Weight: 13 lbs
Condition:New



On Sale:

$98.55

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

Product Information

Description:

MEDIUM DUTY MUFFLER

Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles. Quiet-Flow mufflers are backed by Walker's limited lifetime warranty and 90-day Safe and Sound guarantee.

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
  • BUY WITH CONFIDENCE -- Comes with Walker's limited lifetime warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • RESISTS CORROSION -- Internal drainage system helps reduce moisture collection

Specifications:

Body Height:
6.5 in.
Body Length:
23 in.
Body Material:
Steel
Body Width:
6.5 in.
Finish:
Aluminized
Grade Type:
Regular
Inlet 1 Inside Diameter:
2.5 in.
Inlet 1 Type:
Pipe Connection
Inlet Configuration:
Offset
Inlet Inside Diameter:
2.5 in.
Inlet Offset:
1.5
Inlet Quantity:
1
Inlet Type:
Pipe Connection
Muffler Type:
Combination
Outlet 1 Inside Diameter:
2.25 in.
Outlet 1 Type:
Pipe Connection
Outlet Configuration:
Offset
Outlet Inside Diameter:
2.25 in.
Outlet Quantity:
1
Outlet Type:
Pipe Connection
Overall Length:
27.75 in.
Reversible:
No
Shape:
Round
Tunable:
No
Universal Or Specific Fit:
Specific
Country of Origin:
US

Walker 21151 Exhaust Muffler compatibility with your 1979 GMC P3500...

Last Updated: 12/24/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

7.4L V8 Gas OHV
1
 
Left (Driver)
 
Quiet-Flow
Arc Welded Construction Recommended for Commercial Use
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Heavy Duty Muffler
Premium
Limited Lifetime Warranty
 

GMC P3500



7.4L V8 Gas OHV

Left (Driver) Quiet-Flow
Arc Welded Construction Recommended for Commercial Use
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Heavy Duty Muffler
Premium
Limited Lifetime Warranty

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

7.4L V8 Gas OHV
1
 
Left (Driver)
 
Quiet-Flow
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Premium
Limited Lifetime Warranty
 

GMC P3500



7.4L V8 Gas OHV

Left (Driver) Quiet-Flow
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Premium
Limited Lifetime Warranty

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

7.4L V8 Gas OHV
1
 
Right (Passenger)
 
Quiet-Flow
Arc Welded Construction Recommended for Commercial Use
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Heavy Duty Muffler
Premium
Limited Lifetime Warranty
 

GMC P3500



7.4L V8 Gas OHV

Right (Passenger) Quiet-Flow
Arc Welded Construction Recommended for Commercial Use
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Heavy Duty Muffler
Premium
Limited Lifetime Warranty

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

7.4L V8 Gas OHV
1
 
Right (Passenger)
 
Quiet-Flow
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Premium
Limited Lifetime Warranty
 

GMC P3500



7.4L V8 Gas OHV

Right (Passenger) Quiet-Flow
Before 01/01/1985
Do Not Use with Federal or H5D Emissions System
Premium
Limited Lifetime Warranty

1 Per Vehicle

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