Walker 54647 Exhaust Muffler Assembly

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 54647 is a direct-fit exhaust muffler assembly built for select Nissan and INFINITI applications. It combines stainless-steel construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

Compatible with 2003-2007 INFINITI G35 and 2003-2006 Nissan 350Z, this muffler assembly is shaped for a factory-style exhaust repair with an offset inlet and dual offset outlets.

Key Features

• Stainless-steel muffler body and stainless-steel muffler material for corrosion resistance
• Direct-fit OE-style replacement for easier exhaust system matching
• Oval muffler shape with a regular grade construction
• 2.5-inch inlet inside diameter with 2-bolt welded flange connection
• Offset inlet configuration and offset outlet configuration
• Tip-style outlet design with 4-inch outside diameter outlets
• Overall length of 37 inches for application-specific fitment
• Walker Quiet-Flow SS line for domestic and foreign vehicle coverage

Product Details

Walker Quiet-Flow SS 54647 is engineered as an exhaust muffler assembly for drivers replacing a worn or damaged factory muffler on the INFINITI G35 or Nissan 350Z. The stainless-steel body and muffler construction help provide longer life than standard aluminized designs, while the OE-style layout supports a cleaner replacement on the original exhaust path. This part cross-references BRExhaust 145-163 and Carlson 7544 for the same application.

The Quiet-Flow SS product line focuses on direct-fit stainless-steel exhaust replacements for a wide range of domestic and import vehicles. For shoppers searching for a 2003-2007 INFINITI G35 muffler assembly or a 2003-2006 Nissan 350Z exhaust muffler replacement, Walker 54647 provides a factory-style solution with application-specific inlet and outlet geometry.

Common Problems This Part Can Address

• Rust or corrosion in the original muffler body
• Exhaust leaks caused by a damaged muffler assembly
• Excessive exhaust noise from a failing muffler
• Poor fitment from a non-OE-style replacement part
• Need for a direct-fit stainless-steel exhaust repair

Installation Notes and Tips

Verify inlet and outlet orientation before installation, since this assembly uses an offset inlet and offset outlet configuration. Confirm the 2-bolt welded flange connection matches the existing exhaust connection on the vehicle. Check surrounding exhaust components, hangers, and seals for wear before completing the repair.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style fitment to support long-term exhaust service. This part is backed by the Quiet-Flow SS product line and is listed for 2003-2007 INFINITI G35 and 2003-2006 Nissan 350Z applications.