Walker 21367 Exhaust Muffler

Overview of Walker Quiet-Flow SS Exhaust Muffler 21367

The Walker Quiet-Flow SS Exhaust Muffler 21367 is designed specifically for Chevrolet and GMC full-size vans, including Express 1500, 2500, 3500 and Savana 1500, 2500, 3500 models. This muffler offers a precise fit and durable construction to maintain proper exhaust flow and reduce noise effectively.

• Specific fit for Chevrolet Express and GMC Savana vans
• Oval-shaped stainless steel body with aluminized finish
• Combination muffler type with offset dual inlets and single outlet
• 3-inch inlet diameter with 3-bolt welded flange and pipe connection
• Overall length of 39.875 inches with 9-inch body width and 7-inch height

Product Features and Specifications

The Walker Quiet-Flow SS 21367 muffler features a robust stainless steel body that resists corrosion and extends service life. Its aluminized finish adds an extra layer of protection against heat and environmental elements. The muffler has an oval shape with a body length of 21 inches, width of 9 inches, and height of 7 inches, designed to fit the undercarriage of specific Chevrolet and GMC vans.

This muffler includes two offset inlets with a 3-inch inside diameter each, utilizing a 3-bolt welded flange and pipe connection for secure attachment. The single outlet pipe connection has a 2.75-inch outside diameter and is offset to match the exhaust system layout. The muffler is non-reversible and non-tunable, ensuring a straightforward replacement without modification.

About the Quiet-Flow SS Product Line

The Quiet-Flow SS line by Walker focuses on providing exhaust mufflers that combine stainless steel durability with noise reduction technology. This product line is engineered to meet specific vehicle fitments, offering a balance of corrosion resistance and sound control. The 21367 muffler exemplifies these qualities, tailored for Chevrolet Express and GMC Savana vans requiring reliable exhaust performance.

Applications and Problem Solving

• Replacement for worn or damaged mufflers on Chevrolet Express and GMC Savana vans
• Reduces excessive exhaust noise and vibration
• Prevents exhaust leaks caused by rust or corrosion
• Maintains proper exhaust flow for engine efficiency
• Ensures compliance with vehicle-specific exhaust system requirements

Installation Notes and Tips

Installation of the Walker Quiet-Flow SS 21367 muffler requires matching the 3-inch inlet diameter and 3-bolt welded flange connection to the existing exhaust system. The offset inlet and outlet configuration should be aligned carefully to ensure proper fitment. This muffler is designed for specific Chevrolet Express and GMC Savana models, so verify compatibility before installation. Professional installation is recommended to maintain exhaust system integrity and performance.

Quality Assurance and Warranty

Walker manufactures the Quiet-Flow SS 21367 muffler with high-grade stainless steel and aluminized finish to resist corrosion and extend product life. While specific warranty details are not provided, Walker products typically meet industry standards for durability and performance. Using a vehicle-specific muffler like the 21367 helps ensure reliable exhaust operation and noise control for Chevrolet Express and GMC Savana vans.