Walker 55421 Exhaust Tail Pipe

Walker 55421 Exhaust Tail Pipe

Walker 55421 is a specific-fit exhaust tail pipe made from aluminized steel for durability and corrosion resistance. It is built with precision bending and fixture checking to help deliver a precise fit for straightforward installation on select Chevrolet and GMC trucks.

Key Features

• Aluminized steel construction for long-term exhaust service
• 3-inch inlet outside diameter and 3-inch outlet outside diameter
• 59-inch overall length
• Single inlet, single outlet pipe connection design
• Specific fit for direct replacement applications
• Walker 55421 exhaust tail pipe for select Silverado and Sierra models

Detailed Description

This Walker exhaust tail pipe is engineered for vehicles that require a 3-inch pipe connection and a direct-fit replacement layout. The aluminized finish helps the pipe stand up to everyday exhaust heat and road exposure, while the precision-formed construction supports accurate alignment during installation. Walker 55421 is a practical choice for restoring the exhaust path on compatible Chevrolet Silverado and GMC Sierra applications, including 2001-2006 Chevrolet Silverado 2500 HD, 2001-2006 GMC Sierra 2500 HD, 2004 Chevrolet Silverado 2500, 2004 GMC Sierra 2500, 2006 Chevrolet Silverado 3500, 2006 GMC Sierra 3500, 2007 Chevrolet Silverado 3500 Classic, and 2007 GMC Sierra 3500 Classic. This part cross-references AP Exhaust 64814 for the same application.

What It Helps Address

• Rust or corrosion in the exhaust tail pipe
• Cracked, bent, or damaged tail pipe sections
• Exhaust leaks caused by worn pipe connections
• Fitment issues when replacing a factory-style tail pipe on Silverado and Sierra trucks
• Restoration of proper exhaust routing on select Chevrolet Silverado and GMC Sierra models

Installation Notes and Tips

Verify inlet and outlet diameter, overall length, and vehicle-specific fitment before installation. This part is listed as a specific fit and uses pipe connection ends, so confirm the existing exhaust layout matches the application. For welded assemblies, replace all required parts as noted in the fitment data. Compatible With 2001-2006 Chevrolet Silverado 2500 HD, 2001-2006 GMC Sierra 2500 HD, 2004 Chevrolet Silverado 2500, 2004 GMC Sierra 2500, 2006 Chevrolet Silverado 3500, 2006 GMC Sierra 3500, 2007 Chevrolet Silverado 3500 Classic, and 2007 GMC Sierra 3500 Classic, with the listed emission and muffler-inlet requirements.

Quality Assurance

Walker manufactures this premium pipe with precision benders and fixture checking to support consistent fit and installation accuracy. The aluminized steel construction and specific-fit design reflect Walker’s focus on replacement exhaust components for service applications.