Walker 54943 Exhaust Muffler Assembly - Front

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 54943 is a direct-fit exhaust muffler assembly built with stainless-steel construction for longer service life than typical aluminized mufflers. It is made for OE-style replacement on select Ford Super Duty applications, with fitment covering 2011-2017 Ford F-250 Super Duty and 2011-2017 Ford F-350 Super Duty configurations listed below.

The Quiet-Flow SS line focuses on replacement fit, stainless durability, and a factory-style installation profile. For buyers searching for a 2011-2017 Ford F-250 Super Duty muffler assembly or a 2011-2017 Ford F-350 Super Duty exhaust muffler assembly, part number 54943 provides a direct-fit solution from Walker.

Key Features

• Walker Quiet-Flow SS line for OE-style exhaust replacement
• Stainless-steel muffler body and stainless-steel muffler material
• Oval muffler shape with natural finish
• Dual inlet configuration with 2-bolt loose flange and pipe connection
• Single offset outlet with pipe connection
• Inlet outside diameter: 2.75 in.
• Outlet outside diameter: 3 in.
• Overall length: 46.625 in.
• Body dimensions: 7 in. diameter, 9 in. height, 20 in. length, 7 in. width
• Reflection-style muffler type for direct replacement use

Product Details

Walker 54943 is an exhaust muffler assembly engineered as a direct-fit replacement for select Ford Super Duty trucks. Its stainless-steel construction supports longer life in demanding exhaust environments, while the OE-style layout helps maintain the original routing and connection points. The dual-inlet, single-outlet design and oval body shape match the dimensional requirements of the listed applications, making it a practical choice for owners replacing a worn or damaged factory muffler on a Ford F-250 Super Duty or Ford F-350 Super Duty.

This part cross-references AP Exhaust 40195 for the same application.

What It Helps Fix

• Rust-through or corrosion in the original muffler assembly
• Exhaust leaks at the muffler body or connection points
• Excessive exhaust noise from a failing muffler
• Fitment issues caused by a damaged OE-style replacement part
• Replacement needs on 2011-2017 Ford F-250 Super Duty and 2011-2017 Ford F-350 Super Duty trucks

Installation Notes and Tips

Verify inlet and outlet diameters, flange style, and overall length against the existing exhaust before installation. This muffler assembly uses a 2-bolt loose flange inlet and pipe connections, so matching the vehicle’s exhaust layout is important for proper fit. Confirm the listed position and body configuration for your specific Ford Super Duty application before ordering.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies use stainless-steel construction and OE-style replacement design to support long-term service in everyday exhaust applications. Part number 54943 is listed for 2011-2017 Ford F-250 Super Duty and 2011-2017 Ford F-350 Super Duty fitments shown above.