Walker 21813 Exhaust Muffler - Front

Walker Quiet-Flow SS Muffler for Ridgeline

Walker Quiet-Flow SS part number 21813 is a direct-fit exhaust muffler assembly built for the front position on select Honda Ridgeline models. It uses stainless-steel body construction and an OE-style layout to support a clean replacement for the original muffler.

Compatible with 2006-2014 Honda Ridgeline front applications, this muffler is shaped as an oval unit with a center inlet and center outlet. The Quiet-Flow SS line focuses on direct-fit replacement design for domestic and foreign vehicles, and this application is built around the factory-style exhaust routing used on the Ridgeline.

Key Features

• Walker Quiet-Flow SS exhaust muffler assembly
• Part number 21813
• Stainless steel body material for improved corrosion resistance versus typical aluminized construction
• Oval muffler body with natural finish
• Reflection muffler type
• Single 2-inch inlet and single 2-inch outlet
• Center inlet and center outlet configuration
• Direct-fit OE-style replacement for front exhaust placement

Product Details

The Walker Quiet-Flow SS line is designed as a direct replacement muffler assembly with stainless-steel construction for longer service life than standard aluminized mufflers. This part number 21813 follows an OE-style form factor with an 8.875-inch body width, 4.25-inch body height, 18-inch body length, and 22-inch overall length. For Honda Ridgeline owners looking for a front muffler replacement, this unit matches the factory-style center-in/center-out layout and supports a straightforward exhaust repair.

This part cross-references 18307SJCA11 and 18307SJCA21 for the same application.

Common Repair Uses

• Replacing a rusted or perforated front muffler
• Restoring exhaust flow after muffler case damage
• Addressing exhaust noise caused by internal muffler failure
• Repairing a leaking center-in/center-out muffler assembly
• Returning a 2006-2014 Honda Ridgeline exhaust system to OE-style routing

Installation Notes

Fits 2006-2014 Honda Ridgeline, front. Verify inlet and outlet diameter, center configuration, and overall dimensions before installation. If the original assembly is welded in place, replace all required exhaust components during service to ensure proper alignment and sealing. Confirm the vehicle’s exhaust layout against the existing front muffler before final fitment.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style direct-fit design for consistent replacement quality. This application is listed with a limited lifetime warranty.