Walker 53370 Exhaust Muffler Assembly

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 53370 is a direct-fit exhaust muffler assembly built for the 2002-2006 Nissan Altima. It combines OE-style replacement fitment with stainless-steel construction for a longer service life than typical aluminized mufflers.

For drivers searching for a Nissan Altima muffler replacement, this Walker Quiet-Flow SS assembly is shaped for factory-style exhaust routing and a clean, direct replacement path. The oval body, offset inlet, and dual offset outlets support a precise fit on the listed application.

Key Features

• Direct-fit exhaust muffler assembly for the 2002-2006 Nissan Altima
• Stainless-steel muffler and body construction
• Oval muffler shape with OE-style replacement design
• Offset inlet configuration with pipe connection
• Dual offset outlets with tip-style outlet design
• Overall length: 27.5 in.; body length: 16 in.; body width: 9.75 in.
• Inlet inside diameter: 2 in.; outlet outside diameter: 2 in.

Product Details

Walker Quiet-Flow SS is the stainless-steel product line within Walker’s exhaust muffler family, focused on direct-fit replacement parts for domestic and foreign vehicles. Part number 53370 is built as a combination muffler assembly with an oval profile, regular grade type, and dimensions that align with the factory exhaust layout on the specified Nissan Altima applications. This part cross-references Continental 49246 and National 2443 for the same application.

What It Helps Address

• Rust-related muffler deterioration
• Exhaust noise from a worn or damaged muffler
• Factory exhaust fitment issues after replacement
• Leaks caused by corrosion at the muffler assembly
• Loss of proper exhaust routing on the Nissan Altima

Installation Notes

Compatible With 2002-2006 Nissan Altima, N/A. Verify inlet and outlet orientation, overall length, and body dimensions before installation. This muffler uses a pipe connection inlet and tip-style outlets, so matching the existing exhaust configuration is important for proper fitment. Professional installation is recommended for exhaust system replacement work.

Quality Assurance

Walker Quiet-Flow SS 53370 uses stainless-steel construction to provide longer life than typical aluminized mufflers. It is a direct-fit OE-style replacement for the listed Nissan Altima applications and is backed by the Premium note shown in the fitment data, along with a Limited Lifetime Warranty for the specified application.