Walker 54318 Exhaust Muffler Assembly - Rear

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 54318 is a direct-fit exhaust muffler assembly for rear applications on select Ford Focus models. It combines stainless-steel muffler construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

Built for 2000-2004 Ford Focus rear fitment, this muffler assembly is shaped as an oval combination muffler with offset inlet and outlet pipe connections. The Walker Quiet-Flow SS line focuses on replacement parts that match factory-style routing while using stainless steel in the muffler and body for added corrosion resistance.

Key Features

• Walker Quiet-Flow SS 54318 direct-fit exhaust muffler assembly
• Fits 2000-2004 Ford Focus, rear
• Stainless steel muffler material and body material
• Oval muffler shape with combination muffler design
• Offset inlet and outlet configuration for OE-style routing
• 2-inch inlet inside diameter and 2-inch outlet outside diameter
• Overall length: 35.75 inches
• Body dimensions: 9.75 inches wide, 4.25 inches high, 9 inches long

Detailed Description

Walker Quiet-Flow SS 54318 is engineered as an exhaust muffler assembly for rear placement on 2000-2004 Ford Focus models. The stainless-steel construction helps the muffler resist corrosion better than standard aluminized designs, while the direct-fit layout supports factory-style exhaust routing. The oval body, offset inlet, and offset outlet make it a practical replacement for drivers restoring exhaust function on a Ford Focus with the correct rear muffler configuration. This part number, 54318, is also a useful reference when verifying the correct replacement during exhaust system service.

Walker’s Quiet-Flow SS product line is positioned as a stainless-steel OE-style replacement family for domestic and foreign vehicles. For shoppers searching for a rear muffler for 2000 Ford Focus, 2001 Ford Focus, 2002 Ford Focus, 2003 Ford Focus, or 2004 Ford Focus, Walker Quiet-Flow SS 54318 provides a direct-fit option built around the original exhaust layout.

This part cross-references AP Exhaust 7452 for the same application.

What It Helps Address

• Rust or corrosion in the rear muffler assembly
• Exhaust noise caused by a failing muffler
• Leaks at the muffler body or pipe connection points
• Loss of factory-style exhaust routing on a Ford Focus
• Replacement needs for a worn rear exhaust muffler

Installation Notes and Tips

Verify the vehicle is a 2000-2004 Ford Focus with rear muffler fitment before ordering. Confirm the inlet and outlet pipe connection style, offset configuration, and 2-inch connection sizing against the existing exhaust system. Check the overall length and body dimensions to ensure proper clearance and alignment during installation.

Quality Assurance

Walker Quiet-Flow SS 54318 uses stainless-steel construction in the muffler and body for improved durability compared with typical aluminized mufflers. The product line is built as a direct-fit OE-style replacement for domestic and foreign vehicles.