Homeβ€Ί Exhaust > Exhaust and Tail Pipesβ€Ί Walker 55421 Exhaust Tail Pipe
Part #: 55421

Walker 55421 Exhaust Tail Pipe

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πŸš—Fitment: Chevrolet and GMC, Sierra 2500, Sierra 2500 HD, Sierra 3500, Sierra 3500 Classic, Silverado 2500, Silverado 2500 HD, Silverado 3500, and Silverado 3500 Classic
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Overview of Walker Exhaust Tail Pipe 55421

The Walker 55421 exhaust tail pipe is designed specifically for select Chevrolet and GMC heavy-duty trucks. Constructed from aluminized steel, this exhaust tail pipe offers durability and corrosion resistance for reliable exhaust system performance.

  • Material: Steel with aluminized finish for corrosion protection
  • Inlet and outlet outside diameter: 3 inches
  • Length: 59 inches for precise fitment
  • Grade type: Regular
  • Single inlet and outlet with pipe connection type
  • Specific fit for Chevrolet and GMC 2500 and 3500 series trucks

Detailed Product Description

The Walker 55421 exhaust tail pipe is engineered to meet the exact specifications of Chevrolet Sierra 2500, Sierra 2500 HD, Sierra 3500, Sierra 3500 Classic, Silverado 2500, Silverado 2500 HD, Silverado 3500, and Silverado 3500 Classic models. Its 3-inch inlet and outlet diameters ensure seamless integration with the existing exhaust system, while the 59-inch length provides a precise fit without the need for modifications. The aluminized steel construction offers enhanced resistance to rust and corrosion, extending the service life of the exhaust component under harsh driving conditions.

Common Applications and Problem Solving

  • Replacement of damaged or rusted exhaust tail pipes on Chevrolet and GMC heavy-duty trucks
  • Restoring proper exhaust flow and reducing exhaust leaks
  • Addressing exhaust noise issues caused by cracked or broken tail pipes
  • Maintaining emissions compliance by ensuring a sealed exhaust system
  • Improving overall vehicle performance by preserving exhaust system integrity

Installation Notes and Tips

Installation of the Walker 55421 exhaust tail pipe requires basic mechanical skills and appropriate tools for exhaust system work. Ensure the vehicle is securely lifted and cooled before beginning. The pipe connection inlet and outlet types allow for straightforward attachment to existing exhaust components. It is recommended to inspect adjoining exhaust parts for wear or damage during installation to prevent future issues.

Quality Assurance and Warranty

Walker exhaust components are manufactured to meet industry standards for durability and fitment. The aluminized finish provides added protection against corrosion, contributing to the longevity of the part. While specific warranty details for part number 55421 are not provided here, Walker products typically come with a limited warranty covering defects in materials and workmanship.

BrandWalker
Part Number55421
MaterialSteel
Inlet Outside Diameter3
Outlet Outside Diameter3
Length59
FinishAluminized
Grade TypeRegular
Inlet Quantity1
Inlet TypePipe connection
Outlet Quantity1
Outlet TypePipe connection
Universal Or Specific FitSpecific

This part fits 90 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersWheel BasePositionNotes
2007ChevroletSilverado 3500 ClassicCab & Chassis8.1LV8133.0"N/AExcept Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); If welded assembly, replace all required parts; with Small Diameter Muffler
2007ChevroletSilverado 3500 ClassicCab & Chassis6.0LV8133.0"N/AExcept Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); If welded assembly, replace all required parts; with Small Diameter Muffler
2007GMCSierra 3500 ClassicCab & Chassis8.1LV8133.0"N/AExcept Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); If welded assembly, replace all required parts; with Small Diameter Muffler
2007GMCSierra 3500 ClassicCab & Chassis6.0LV8133.0"N/AExcept Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 3500Crew Cab Pickup6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 3500Extended Cab Pickup6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 3500Standard Cab Pickup6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 3500Crew Cab Pickup8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 3500Standard Cab Pickup8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006ChevroletSilverado 3500Extended Cab Pickup8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 3500Crew Cab Pickup8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 3500Extended Cab Pickup8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 3500Standard Cab Pickup6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 3500Extended Cab Pickup6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 3500Standard Cab Pickup8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2006GMCSierra 3500Crew Cab Pickup6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005ChevroletSilverado 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005ChevroletSilverado 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005ChevroletSilverado 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005ChevroletSilverado 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005ChevroletSilverado 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005ChevroletSilverado 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005GMCSierra 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005GMCSierra 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005GMCSierra 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005GMCSierra 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005GMCSierra 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2005GMCSierra 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004ChevroletSilverado 25006.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004ChevroletSilverado 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004ChevroletSilverado 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004ChevroletSilverado 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004ChevroletSilverado 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004ChevroletSilverado 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004ChevroletSilverado 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004GMCSierra 25006.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004GMCSierra 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004GMCSierra 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004GMCSierra 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004GMCSierra 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004GMCSierra 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2004GMCSierra 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003ChevroletSilverado 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003ChevroletSilverado 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003ChevroletSilverado 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003ChevroletSilverado 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003ChevroletSilverado 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003ChevroletSilverado 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003GMCSierra 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003GMCSierra 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003GMCSierra 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003GMCSierra 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003GMCSierra 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2003GMCSierra 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002ChevroletSilverado 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002ChevroletSilverado 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002ChevroletSilverado 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002ChevroletSilverado 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002ChevroletSilverado 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002ChevroletSilverado 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002GMCSierra 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002GMCSierra 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002GMCSierra 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002GMCSierra 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002GMCSierra 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2002GMCSierra 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001ChevroletSilverado 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001ChevroletSilverado 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001ChevroletSilverado 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001ChevroletSilverado 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001ChevroletSilverado 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001ChevroletSilverado 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001GMCSierra 2500 HD6.0LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001GMCSierra 2500 HD6.0LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001GMCSierra 2500 HD8.1LV8133.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001GMCSierra 2500 HD8.1LV8153.0"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001GMCSierra 2500 HD6.0LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler
2001GMCSierra 2500 HD8.1LV8143.5"N/Awith 2.5 (in) Muffler Inlet; with Federal Emission System; except Low Emission Vehicle (LEV); If welded assembly, replace all required parts; with Small Diameter Muffler

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

This part directly replaces or is cross-referenced with the following part numbers:

64814

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