Walker 54955 Exhaust Muffler Assembly

Walker Quiet-Flow SS Muffler Assembly for Sentra

Walker Quiet-Flow SS 54955 is a direct-fit exhaust muffler assembly built for select Nissan Sentra applications. It uses stainless-steel construction and an OE-style layout to replace the factory muffler with a part that matches the original fitment path.

Compatible With 2013-2017 Nissan Sentra, N/A, and 2018-2019 Nissan Sentra, N/A. This part number, 54955, is also a fitment-focused search term for drivers replacing a worn muffler on a Nissan Sentra with a stainless-steel assembly.

Key Features

• Walker Quiet-Flow SS product line for OE-style exhaust replacement
• Stainless-steel body and muffler construction for longer service life than typical aluminized units
• Oval muffler shape with natural finish
• Offset inlet and offset outlet layout for direct-fit routing
• 2-bolt welded flange inlet and pipe connection outlet
• Overall length: 37.625 inches
• Outlet outside diameter: 1.75 inches

Product Details

The Walker Quiet-Flow SS line focuses on direct-fit muffler assemblies that follow factory-style exhaust geometry while using stainless steel for the body and muffler. On this Walker 54955 muffler assembly, the oval housing measures 9 inches wide, 7 inches high, and 18 inches long, with a 9-inch body diameter and a natural finish. The reflection-style muffler design, offset inlet configuration, and offset outlet configuration support a clean replacement for the original exhaust path on Nissan Sentra models listed in the fitment data.

This Walker 54955 is a practical choice for Nissan Sentra owners searching for a stainless steel muffler assembly, OE-style exhaust muffler replacement, or a direct-fit muffler for 2013-2019 Nissan Sentra applications. It also cross-references AP Exhaust 7572 for the same application.

Common Problems This Part Addresses

• Rust-through or corrosion in the original muffler housing
• Exhaust noise caused by a damaged or leaking muffler
• Factory muffler replacement after age-related wear
• Fitment issues from non-OE exhaust routing
• Need for a stainless-steel replacement on a Nissan Sentra exhaust system

Installation Notes and Tips

Verify the inlet and outlet configuration, flange style, and overall length against the existing exhaust before installation. This muffler assembly uses a 2-bolt welded flange inlet and pipe connection outlet, so matching the factory connection points is important for proper alignment on the Nissan Sentra. Confirm whether your vehicle is equipped with the Federal Emission System or California Emission System when selecting the correct application for 2013-2017 models.

Quality Assurance

Walker positions Quiet-Flow SS as a stainless-steel, direct-fit OE-style replacement line for domestic and foreign vehicles. For this application, the part is listed for 2013-2017 Nissan Sentra with Federal Emission System or California Emission System, and for 2018-2019 Nissan Sentra.