Walker 22058 Exhaust Muffler - Right

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 22058 is a direct-fit exhaust muffler assembly built with stainless-steel construction for longer service life than typical aluminized mufflers. It is made for the right side of select Acura MDX models and follows an OE-style replacement format for a cleaner, factory-like installation.

• Stainless-steel body material for improved corrosion resistance
• Oval muffler body with natural finish
• Reflection muffler type for controlled exhaust flow
• Direct-fit OE-style replacement for the right side
• Single inlet, single outlet configuration
• Inlet: 2 in. pipe connection, offset configuration
• Outlet: 2 in. tip, center configuration
• Overall length: 26.25 in.; body size: 13 in. long, 9 in. wide, 7 in. high

Quiet-Flow SS Product Line

Walker Quiet-Flow SS muffler assemblies are positioned as stainless-steel replacement parts for drivers who want a direct-fit exhaust solution with OE-style dimensions and routing. Part number 22058 follows that approach for the Acura MDX, combining a stainless body with the correct inlet and outlet layout for the listed application.

Vehicle Fitment

• Fits 2010-2013 Acura MDX, right.

This part cross-references Dorman - HELP 56289 for the same application.

Common Replacement Reasons

• Rust or corrosion in the original muffler assembly
• Exhaust noise from a damaged or leaking muffler
• Restricted exhaust flow caused by internal deterioration
• Need for a right-side replacement on a 2010-2013 Acura MDX

Installation Notes

Confirm inlet and outlet orientation before installation: this muffler uses a 2-inch offset inlet and a 2-inch center outlet. If the original system is a welded assembly, replace all required related parts so the exhaust system aligns correctly and seals properly. Verify fitment against the vehicle’s existing exhaust routing before final installation.

Quality Assurance

Walker Quiet-Flow SS 22058 uses stainless-steel construction and an OE-style direct-fit design for the listed Acura MDX applications. The fitment notes identify Premium models and reference a limited lifetime warranty for the application.