Walker 22674 Exhaust Muffler

Walker Quiet-Flow SS Muffler for Heavy-Duty GM Trucks

Walker Quiet-Flow SS muffler Part Number 22674 is a specific-fit exhaust muffler built for 1992-1995 Chevrolet C3500 and K3500, as well as 1992-1995 GMC C3500 and K3500 applications. It uses 100% stainless-steel construction for the body and is shaped for OE-style sound with measured flow characteristics.

Key Features

• Specific-fit exhaust muffler for select Chevrolet and GMC heavy-duty trucks
• 100% stainless-steel body construction for corrosion resistance
• Oval muffler body with a 9-inch width, 7-inch height, and 18-inch body length
• 3-inch inlet and 3-inch outlet with pipe connection ends
• Offset inlet and center outlet configuration
• Combination muffler design for controlled exhaust flow and sound
• Walker Quiet-Flow SS product line focused on precision fit and OE-style sound

Product Details

Walker Quiet-Flow SS Part Number 22674 is engineered for direct replacement on 1992-1995 Chevrolet C3500, 1992-1995 Chevrolet K3500, 1992-1995 GMC C3500, and 1992-1995 GMC K3500 models. The stainless-steel body helps resist exhaust-system corrosion, while the oval case and offset-in, center-out layout support a factory-style routing pattern. This muffler is a practical choice for owners looking for a replacement exhaust muffler for a Chevrolet C3500 or GMC K3500 with 3-inch pipe connections.

The Quiet-Flow SS line is Walker’s stainless-steel muffler family for domestic and import vehicles, and this part follows that approach with a fit-focused design and controlled sound profile. Part Number 22674 is also a useful reference when searching for a Walker 22674 muffler replacement for GM heavy-duty truck exhaust service.

This part cross-references Standard Ignition (e.g., 2059, 2061) for the same application.

Common Problems This Muffler Can Address

• Rust or corrosion in the original muffler body
• Exhaust noise from a damaged or deteriorated muffler
• Poor exhaust routing after muffler replacement
• Need for a direct-fit muffler on 1992-1995 Chevrolet C3500 and K3500 trucks
• Need for a direct-fit muffler on 1992-1995 GMC C3500 and K3500 trucks

Installation Notes and Tips

Confirm the vehicle’s exhaust layout before installation, including the 3-inch inlet and outlet size, offset inlet position, and center outlet configuration. Verify clearance around the oval body dimensions of 25.5 inches overall length, 18 inches body length, 9 inches body width, and 7 inches body height before final mounting. For best results, match the replacement muffler to the existing pipe connection style and routing on the truck.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are positioned by Walker as precision-fit replacements with OE-style sound characteristics. Part Number 22674 is backed by the Quiet-Flow SS product line’s focus on fit, flow, and durability for select Chevrolet and GMC truck applications.