Walker 53739 Exhaust Muffler Assembly - Right

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 53739 is a direct-fit exhaust muffler assembly built for the right side of select Ford Mustang models. It combines stainless-steel muffler construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

Fits 2005-2009 Ford Mustang, right. This Walker Quiet-Flow SS muffler assembly is shaped for a direct replacement on the passenger-side exhaust path and uses an offset inlet with an offset outlet tip.

Key Features

• Direct-fit exhaust muffler assembly for select Ford Mustang applications
• Walker Quiet-Flow SS product line for OE-style replacement fitment
• Stainless-steel muffler and body construction
• Oval muffler shape with a regular-grade design
• Offset inlet and offset outlet configuration
• 2.5-inch inlet inside diameter and 3-inch outlet tip diameter
• Overall length: 27.325 inches
• Cross-reference: National 2457

Detailed Description

Walker 53739 is an exhaust muffler assembly engineered for the right side of 2005-2009 Ford Mustang models. The Quiet-Flow SS line focuses on direct-fit OE-style replacement, using stainless-steel construction for the muffler and body to provide improved durability compared with standard aluminized mufflers. The oval housing measures 9.75 inches wide, 4.25 inches high, and 14 inches long, with an overall length of 27.325 inches for proper exhaust routing and fitment.

The inlet uses a 2.5-inch pipe connection with an offset configuration, while the outlet is a 3-inch tip with an offset layout. Walker 53739 is a practical choice when replacing a worn or damaged rear exhaust muffler on a Ford Mustang and maintaining the original exhaust path matters. Fits 2005-2009 Ford Mustang, right, and matches the Quiet-Flow SS replacement format for this application.

What It Helps Solve

• Rust or corrosion in the rear muffler assembly
• Exhaust noise caused by a failing muffler
• Fitment issues from a damaged or incorrect replacement muffler
• Loss of proper exhaust routing on the right side
• Need for an OE-style stainless-steel replacement on a Ford Mustang

Installation Notes and Tips

Verify the vehicle is a 2005-2009 Ford Mustang with right-side fitment before ordering. Confirm the inlet diameter, outlet tip size, and offset configuration against the existing exhaust layout to ensure proper alignment. Because this is a direct-fit muffler assembly, matching the original routing and hanger position is important for correct installation.

Quality Assurance

Walker Quiet-Flow SS 53739 is built with stainless-steel muffler construction and OE-style replacement fitment for longer service life than typical aluminized mufflers. The listed application notes include Premium and Limited Lifetime Warranty coverage for the 2005-2009 Ford Mustang right-side fitment.