Walker 55054 Exhaust Muffler Assembly

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS muffler assembly Part Number 55054 is a direct-fit exhaust muffler replacement built with stainless steel construction for longer service life than typical aluminized mufflers. It is engineered for select Toyota 4Runner applications and uses OE-style flange connections for a straightforward exhaust repair.

Key Features

• Stainless steel muffler body and muffler material for improved corrosion resistance
• Oval muffler shape with a 11-inch body diameter and 57-inch overall length
• 2-bolt welded flange inlet and outlet for OE-style fitment
• Offset inlet and offset outlet configuration
• Combination muffler type for replacement of the original exhaust assembly
• Walker Quiet-Flow SS line focuses on direct-fit stainless-steel exhaust replacements

Product Details

This Walker 55054 exhaust muffler assembly is built around stainless steel body and muffler materials, while the finish is aluminized. The design uses a 2.37-inch inlet outside diameter and a 2.37-inch outlet outside diameter, with welded 2-bolt flanges at both ends. Its oval body measures 21 inches long, 11 inches wide, and 5.5 inches high, making it a direct-fit OE-style replacement for the original muffler assembly on select Toyota 4Runner models. Walker Quiet-Flow SS parts are positioned for drivers who want a stainless-steel exhaust repair with factory-style connection points.

This part cross-references Anchor 2254 and AP Exhaust 38666 for the same application.

Vehicle Fitment

• Fits 1999-2000 Toyota 4Runner, N/A. Notes: Premium; with Federal Emission System; OE Front Hanger Not Required; Quiet-Flow SS.
• Fits 1996-1998 Toyota 4Runner, N/A. Notes: Premium; OE Front Hanger Not Required; Quiet-Flow SS.

Common Repair Uses

• Replacing a rusted or leaking factory muffler assembly
• Restoring exhaust flow after muffler case damage
• Correcting exhaust noise from a failing muffler
• Repairing flange connection issues at the muffler inlet or outlet
• Returning a Toyota 4Runner exhaust system to OE-style routing

Installation Notes and Quality

Verify the inlet and outlet flange style, offset configuration, and 2.37-inch connection size before installation. This muffler assembly is listed for 1996-1998 Toyota 4Runner and 1999-2000 Toyota 4Runner applications, with OE front hanger not required on the confirmed fitments. Walker Quiet-Flow SS is the brand line for direct-fit stainless-steel exhaust replacements, and the manufacturer describes this series as offering longer life than typical aluminized mufflers.