Walker 54975 Exhaust Muffler Assembly

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 54975 is a direct-fit exhaust muffler assembly built with stainless steel body and muffler construction for longer service life than typical aluminized replacements. It is made for the 2009-2013 Mazda 6 and uses an OE-style layout to support a clean, factory-type exhaust repair.

The Quiet-Flow SS line focuses on stainless-steel construction and direct-fit replacement geometry. For shoppers searching for a Mazda 6 exhaust muffler assembly, Walker 54975 provides a fitment-specific solution with an offset inlet, dual outlet tips, and an oval body profile.

Key Features

• Direct-fit exhaust muffler assembly for 2009-2013 Mazda 6
• Stainless steel body and muffler material for improved corrosion resistance
• Oval muffler shape with natural finish
• Offset inlet configuration with 2.25-inch inlet outside diameter
• Dual outlet tips with 2.25-inch outlet diameters
• OE-style replacement layout for factory-type exhaust routing
• Walker Quiet-Flow SS 54975 part number for application-specific lookup

Detailed Description

Walker 54975 is an exhaust muffler assembly engineered for the Mazda 6 platform from 2009 through 2013. It features a stainless steel body, stainless steel muffler construction, an oval shape, and a reflection-style muffler design. The assembly measures 41.625 inches overall, with an 11-inch body diameter, 15-inch body length, 11-inch body width, and 5.5-inch body height. The inlet uses a 2-bolt welded flange with an offset configuration, while the outlet side uses dual tips for a factory-style exhaust exit.

This part cross-references AP Exhaust 40170 for the same application. If you are replacing a worn or corroded Mazda 6 muffler, Walker Quiet-Flow SS 54975 is a direct-fit option built around the original exhaust layout and dimensions.

What It Helps Address

• Rust or corrosion in the original muffler assembly
• Exhaust leaks at the muffler section
• Damaged or deteriorated factory-style muffler housing
• Noisy exhaust operation caused by a failing muffler
• Need for a direct-fit replacement on a 2009-2013 Mazda 6

Installation Notes and Tips

Verify inlet diameter, flange style, and overall length against the existing exhaust before installation. This assembly uses a 2-bolt welded flange inlet and dual outlet tips, so alignment with the vehicle’s exhaust routing is important for proper fit. Confirm the application by year, make, and model before ordering Walker 54975 for a Mazda 6 exhaust repair.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and direct-fit OE-style replacement geometry. The fitment listed for this part is 2009-2013 Mazda 6, and the product notes indicate Premium application coverage with a Limited Lifetime Warranty.