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  2. Auto Parts
  3. Exhaust
  4. Exhaust and Tail Pipes
  5. Exhaust Tail Pipe
  6. Walker 55421

Walker 55421 Exhaust Tail Pipe

Walker 55421 Exhaust Tail Pipe
Walker 55421 Exhaust Tail Pipe Image 1
Walker 55421 Exhaust Tail Pipe

Walker
Brand:Walker
Part Number: 55421
UPC: 086387554213
Weight: 18 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

PIPE-TAIL

Made from aluminized steel for durability, Walker premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Features and Benefits:

  • AVAILABLE IN DIFFERENT SIZES -- Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) - Outlet Diameter (O.D.) connection; see product specifications for more information
  • BETTER TOGETHER -- Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • EASY TO INSTALL -- Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE -- Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • RESISTS CORROSION -- Durable aluminized steel construction for corrosion resistance and performance

Specifications:

Grade Type:
Regular
Inlet Outside Diameter:
3 in.
Country of Origin:
US

Select a vehicle to narrow Walker 55421 Exhaust Tail Pipe fitment info!

Last Updated: 12/24/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2004

 

2004

 
Chevrolet Silverado 2500

6.0L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2006

 
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
Except Heavy Duty
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
If welded assembly, replace all required parts
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500 Classic



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Except Heavy Duty
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
If welded assembly, replace all required parts
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.

1 Per Vehicle

2004

 

2004

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

GMC Sierra 2500



6.0L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 133.0 In.

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 143.5 In.

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2006

 
GMC Sierra 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.
 

GMC Sierra 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
GMC Sierra 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.
 

GMC Sierra 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
GMC Sierra 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.
 

GMC Sierra 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
If welded assembly, replace all required parts
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2007

 

2007

 
GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
Except Heavy Duty
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
If welded assembly, replace all required parts
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.
 

GMC Sierra 3500 Classic



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Except Heavy Duty
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
If welded assembly, replace all required parts
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.

1 Per Vehicle