Walker 54512 Exhaust Muffler Assembly - Rear

Walker Quiet-Flow Muffler Assembly 54512

Walker Quiet-Flow 54512 is a direct-fit exhaust muffler assembly built for OE-style replacement on select Ford Focus rear applications. It combines a steel oval body, aluminized finish, and offset pipe connections to support proper exhaust routing and a factory-like sound profile.

Quiet-Flow Product Line

Walker Quiet-Flow muffler assemblies are positioned as OE-style replacement parts with coverage for domestic and foreign vehicles. This line focuses on precision fit, consistent exhaust flow, and sound characteristics that match the original system more closely than a universal muffler setup.

Key Features

• Direct-fit exhaust muffler assembly for rear installation
• Fits 2005-2007 Ford Focus, rear
• Fits 2005-2007 Ford Focus, rear, with California Emission System
• Fits 2005-2007 Ford Focus, rear, with Federal Emission System
• Oval steel muffler body with aluminized finish for corrosion resistance
• Offset inlet and outlet pipe connections for OE-style routing
• 2-inch inlet and 2-inch outlet outside diameter
• Combination muffler design for controlled exhaust flow and sound
• Walker Quiet-Flow 54512 for OE-style replacement needs

Detailed Description

Walker Quiet-Flow 54512 is an exhaust muffler assembly engineered for the rear position on 2005-2007 Ford Focus models. The oval steel body measures 39.5 inches overall, with a 6-inch body diameter, 11.625-inch body height, and 7-inch body length. Its aluminized steel construction and pipe connection inlet and outlet help maintain a factory-style fit while supporting durable exhaust service. For shoppers searching for a Ford Focus rear muffler assembly, Walker 54512 provides a direct-fit replacement path that aligns with OE-style sound and flow characteristics.

This part cross-references AP Exhaust 7468 for the same application.

Common Issues This Part Addresses

• Exhaust noise from a rusted or damaged rear muffler
• Restricted exhaust flow caused by internal muffler deterioration
• Fitment problems from a non-OE-style replacement muffler
• Corrosion-related failure in the rear exhaust section
• Factory sound changes after muffler wear or perforation

Installation Notes and Tips

Verify the vehicle’s emission system and rear exhaust configuration before ordering. This Walker Quiet-Flow muffler assembly uses 2-inch pipe connections with offset inlet and outlet placement, so the existing exhaust routing must match the listed application. Confirm clearance, hanger alignment, and pipe condition during installation to ensure proper fit on the Ford Focus rear exhaust system.

Quality Assurance

Walker Quiet-Flow muffler assemblies are built as direct-fit OE-style replacements with coverage for domestic and foreign vehicles. Part number 54512 is specified for the listed 2005-2007 Ford Focus rear applications, including California and Federal emission system variants.