Walker 21012 Exhaust Muffler

Walker Quiet-Flow SS Muffler for Jeep CJ5

The Walker Quiet-Flow SS muffler, part number 21012, is a direct-fit exhaust muffler built for specific applications. It uses 100% stainless-steel construction and is shaped for OE-style sound, steady flow, and a precise fit on select Jeep CJ5 models.

Key Features

• Walker Quiet-Flow SS line for OE-style exhaust sound and fit
• 100% stainless-steel body material with a natural finish
• Specific-fit muffler for select Jeep CJ5 applications
• Round combination muffler design
• Offset inlet and outlet pipe connections
• Inlet inside diameter: 1.625 in.; outlet inside diameter: 1.5 in.
• Overall length: 18.5 in.; body length: 10 in.; body width and height: 6 in.

Detailed Description

Walker Quiet-Flow SS muffler 21012 is engineered for Jeep CJ5 exhaust service where a direct replacement is needed. The stainless-steel construction supports long-term corrosion resistance, while the combination muffler design and offset pipe connections help maintain factory-style routing. This part is listed for 1959-1970 Jeep CJ5 models, including applications before Serial # 575478-93763 and later CJ5 vehicles with the fuel tank mounted under the seat. For buyers searching for a Jeep CJ5 muffler replacement, Walker 21012 provides a specific-fit solution with OE-style sound characteristics.

What It Helps Address

• Exhaust noise from a worn or damaged muffler
• Rust-related muffler deterioration on older Jeep CJ5 exhaust systems
• Fitment issues when replacing a factory-style round muffler
• Restricted exhaust flow caused by internal muffler wear
• Incorrect inlet or outlet alignment on specific CJ5 applications

Installation Notes and Tips

Verify the vehicle serial number and fuel tank location before ordering, since the listed Jeep CJ5 applications vary by production break. Confirm inlet and outlet diameters, offset configuration, and overall length against the existing exhaust layout before installation. This muffler uses pipe connections and is not reversible or tunable.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are positioned by the manufacturer as a precision-fit exhaust replacement with OE-style sound. Part number 21012 is listed for select Jeep CJ5 applications and is supported by Walker’s Quiet-Flow SS product line.