Walker 21740 Exhaust Muffler - Left

Walker Quiet-Flow SS Muffler for Journey

Walker Quiet-Flow SS muffler Part Number 21740 is a specific-fit exhaust muffler built with 100% stainless-steel construction and an OE-style sound profile. It is made for the left side on select 2009-2010 Dodge Journey applications, including Premium and Limited trims noted in the fitment data.

Key Features

• Specific-fit exhaust muffler for direct application matching
• 100% stainless-steel body material for corrosion resistance
• Reflection-style muffler design with OE-style sound characteristics
• Oval body shape with natural finish
• Single inlet and single outlet configuration
• Inlet inside diameter: 2 in.; outlet outside diameter: 3 in.
• Offset inlet and offset outlet layout
• Overall length: 27.75 in.; body length: 14 in.; body width: 7 in.; body height: 9 in.

Product Details

Walker Quiet-Flow SS line focuses on stainless-steel exhaust mufflers with precision fit and controlled exhaust flow. This Part Number 21740 uses a reflection muffler design and a pipe-connection inlet with a tip-style outlet, making it a practical OE-style replacement for the left-side exhaust on 2009-2010 Dodge Journey models. The stainless-steel body and specific-fit configuration support a clean replacement path for drivers looking to restore exhaust function and sound characteristics without changing the vehicle’s original layout.

This part cross-references Chrysler 4743708AE for the same application.

Common Issues This Muffler Can Address

• Exhaust noise from a damaged or rusted muffler
• Corrosion-related failure in the original exhaust housing
• Restricted exhaust flow caused by internal muffler deterioration
• Fitment problems when replacing a left-side Journey muffler with the correct OE-style layout
• Loss of factory-like exhaust tone after muffler wear

Installation Notes

Fits 2009-2010 Dodge Journey, left. Verify the inlet and outlet offsets, pipe diameters, and overall dimensions before installation. If the vehicle uses a welded assembly, replace all required related exhaust parts at the same time to maintain proper alignment and sealing. This muffler is not reversible and is not tunable.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are positioned as OE-style replacement parts for domestic and import vehicles. Part Number 21740 is listed for specific fitment on the 2009-2010 Dodge Journey, left, with Premium and Limited notes in the application data.