Walker 54319 Exhaust Muffler Assembly

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS part number 54319 is a direct-fit exhaust muffler assembly built for select Subaru Legacy and Subaru Outback applications. It combines stainless-steel construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

The Quiet-Flow SS product line focuses on direct replacement fitment and stainless-steel durability for domestic and foreign vehicles. This Walker 54319 muffler assembly is shaped as an oval combination muffler with an offset inlet and offset outlet, making it a practical replacement for factory exhaust routing.

Key Features

• Walker Quiet-Flow SS muffler assembly, part number 54319
• Stainless-steel muffler material and stainless-steel body material
• Direct-fit OE-style replacement for factory exhaust systems
• Oval muffler shape with combination muffler design
• 2-inch inlet outside diameter with 2-bolt welded flange inlet
• 2-inch outlet outside diameter with tip outlet type
• Offset inlet and offset outlet configuration
• Overall length: 40.75 inches
• Body dimensions: 9-inch diameter, 7-inch height, 17-inch length, 9-inch width

Detailed Description

Walker 54319 is an exhaust muffler assembly engineered for Subaru Legacy and Subaru Outback models that require a direct-fit replacement with stainless-steel construction. It is listed for 2000-2004 Subaru Legacy, 2004 Subaru Legacy, 2000 Subaru Outback, and 2004 Subaru Outback in premium applications with dual catalytic converters or 3 catalytic converter configurations. The oval body, offset inlet, and tip-style outlet support OE-style exhaust routing and factory-like installation geometry.

This part cross-references BRExhaust 279-047 and Gates 7485 for the same application. If you are replacing a worn Subaru Legacy muffler assembly or a Subaru Outback exhaust muffler assembly, Walker 54319 provides a direct replacement format that matches the listed vehicle configurations.

Common Replacement Reasons

• Rust or corrosion in the original muffler assembly
• Exhaust leaks at the muffler body or flange connection
• Excessive exhaust noise from a damaged muffler
• Factory muffler fitment loss after age or road exposure
• Need for a direct-fit Subaru Legacy or Subaru Outback exhaust replacement

Installation Notes

Verify the inlet and outlet configuration before installation. This muffler assembly uses a 2-bolt welded flange inlet, a 2-inch inlet diameter, and a 2-inch tip outlet, so the existing exhaust layout must match the listed fitment and connection style. Confirm whether the vehicle is equipped with the premium dual catalytic converter or 3 catalytic converter configuration shown in the fitment data for Subaru Legacy and Subaru Outback applications.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style replacement design to support longer life than typical aluminized mufflers. Part number 54319 is part of Walker’s Quiet-Flow SS line for domestic and foreign vehicle applications.