Walker 55020 Exhaust Muffler Assembly

Overview of Walker Quiet-Flow SS Exhaust Muffler Assembly

The Walker Quiet-Flow SS Exhaust Muffler Assembly 55020 is designed specifically for Nissan 720, D21, and Pickup models. Engineered with durable stainless steel construction, this muffler offers reliable performance and corrosion resistance for your vehicle's exhaust system.

• Inlet outside diameter: 2.25 inches
• Aluminized finish for added protection
• 6-inch diameter round muffler body
• 2 bolt welded flange inlet type
• Pipe connection outlet with 1.75-inch diameter
• Overall length of 56.5 inches
• Center inlet and offset outlet configuration
• Combination muffler type for balanced sound and flow

Detailed Product Description

This Walker Quiet-Flow SS muffler assembly (part number 55020) features a stainless steel body and muffler material, ensuring durability and resistance to rust and corrosion. The round muffler shape with a 6-inch diameter and length of 19 inches provides effective exhaust flow management. The inlet uses a 2 bolt welded flange with a 2.25-inch outside diameter, while the outlet is a pipe connection with a 1.75-inch diameter, designed for an offset outlet configuration. The overall length of 56.5 inches makes it suitable for direct replacement on compatible Nissan 720, D21, and Pickup models.

About the Quiet-Flow SS Product Line

The Quiet-Flow SS line by Walker focuses on stainless steel mufflers that combine durability with noise reduction. This product line is engineered to provide a quieter exhaust experience while maintaining efficient exhaust flow. The aluminized finish adds an extra layer of protection against environmental elements, making it a practical choice for Nissan truck owners seeking long-lasting exhaust components.

Common Applications and Problem Solving

• Replacement for worn or damaged mufflers on Nissan 720, D21, and Pickup models
• Reduces excessive exhaust noise and vibration
• Prevents exhaust leaks caused by rust or corrosion
• Restores proper exhaust flow for improved engine performance
• Helps maintain emissions compliance by ensuring exhaust integrity

Installation Notes and Tips

Installation of the Walker Quiet-Flow SS 55020 muffler requires compatibility with the vehicle's existing exhaust system flange and pipe sizes. The 2 bolt welded flange inlet and pipe connection outlet facilitate a secure fit. It is recommended to inspect mounting hardware and exhaust hangers during installation to ensure proper alignment and support. Professional installation is advised for optimal fit and performance.

Quality Assurance and Warranty

Walker manufactures the Quiet-Flow SS muffler assembly with high-quality stainless steel materials to ensure durability and corrosion resistance. While specific warranty details are not provided, Walker products typically meet industry standards for performance and longevity. Buyers should verify warranty coverage with the supplier or manufacturer.