Walker 56249 Exhaust Muffler Assembly

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 56249 is a direct-fit exhaust muffler assembly built for the 2007-2015 Nissan Armada and 2007-2010 INFINITI QX56. It combines stainless-steel muffler construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

Walker Quiet-Flow SS 56249 is a practical choice when you need a replacement muffler assembly that matches the original exhaust routing and connection style on these full-size SUVs.

Key Features

• Direct-fit exhaust muffler assembly for OE-style replacement
• Stainless steel muffler and body construction
• Oval muffler shape with reflection-style muffler design
• Dual inlet configuration with 2-inch inlet connections
• Single center outlet with 2.5-inch outlet connection
• 2-bolt welded flange and pipe connection inlet/outlet design
• Aluminized finish
• Fits 2007-2015 Nissan Armada and 2007-2010 INFINITI QX56

Product Details

The Walker Quiet-Flow SS line focuses on stainless-steel construction in a direct-fit format for domestic and foreign vehicles. This muffler assembly uses an oval body measuring 11 inches wide, 5.5 inches high, and 19 inches long, with an overall length of 66 inches. The dual-inlet layout and center outlet configuration are built to match the exhaust path used on the Nissan Armada and INFINITI QX56 applications listed for part number 56249.

For shoppers comparing exhaust replacement options, 56249 is a fitment-specific solution for 2007-2015 Nissan Armada and 2007-2010 INFINITI QX56 models. This part cross-references Walker Exhaust 54650 for the same application.

What It Helps Address

• Rust-related muffler replacement on aging factory exhaust systems
• Exhaust noise caused by a worn or damaged muffler assembly
• Fitment issues from using a non-OE-style replacement
• Corrosion concerns in vehicles that need stainless-steel construction
• Restoring proper exhaust routing on Nissan Armada and INFINITI QX56 applications

Installation Notes and Tips

Verify inlet and outlet diameters, flange style, and overall exhaust routing before installation. This muffler assembly is listed for N/A position fitment on the specified vehicles, so confirm the vehicle configuration against the original exhaust layout before ordering. Professional installation is recommended for proper alignment and sealing of the welded flange connections.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style fitment for the listed applications. The fitment data for this part includes Premium and Limited Lifetime Warranty notes on the covered Nissan Armada and INFINITI QX56 applications.