Walker 21719 Exhaust Muffler

Walker Quiet-Flow SS Muffler for Subaru Impreza

Walker Quiet-Flow SS Part Number 21719 is a specific-fit exhaust muffler for 2012-2016 Subaru Impreza Premium and Limited models. It uses 100% stainless-steel body construction with an OE-style sound profile and a precision-fit layout for direct replacement service.

Key Features

• Specific-fit exhaust muffler for 2012-2016 Subaru Impreza
• Walker Quiet-Flow SS product line with OE-style sound characteristics
• 100% stainless-steel body construction
• Oval muffler shape with reflection-style internal design
• Offset inlet and offset outlet configuration
• 2-bolt welded flange inlet for direct exhaust connection
• 2.75-inch outlet inside diameter
• Aluminized finish

Product Details

The Walker Quiet-Flow SS line focuses on direct-fit exhaust service with stainless-steel construction, controlled exhaust tone, and application-specific dimensions. Part Number 21719 is built as an oval muffler with a 23.875-inch overall length, 13-inch body length, 7-inch body height, and 9-inch body width. It uses a single offset inlet with a 2-bolt welded flange and a single offset outlet with a 2.75-inch inside diameter. This part cross-references Monroe Shocks & Struts (e.g., SU2517) for the same application.

For Subaru Impreza owners, this muffler supports replacement of a worn or damaged exhaust unit while maintaining a factory-like sound level and fitment profile. It is listed for 2012-2016 Subaru Impreza Premium and Limited applications, making it a direct-match option for drivers searching for a Subaru Impreza muffler replacement, Walker 21719 exhaust muffler, or Quiet-Flow SS muffler for 2012-2016 Subaru Impreza.

Common Issues This Part Addresses

• Exhaust noise from a rusted, cracked, or leaking muffler
• Loss of OE-style exhaust tone after muffler failure
• Fitment problems caused by incorrect inlet or outlet configuration
• Corrosion-related replacement needs on the exhaust system
• Restoring proper rear exhaust function on a Subaru Impreza

Installation Notes and Tips

Verify the inlet and outlet configuration, flange style, and overall dimensions before installation. This muffler is specific fit, so confirm vehicle trim and model year against the listed application: Fits 2012-2016 Subaru Impreza, N/A. For best results, compare the existing exhaust routing and connection points to Walker Quiet-Flow SS Part Number 21719 before removal of the original muffler.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and application-specific fitment for domestic and import vehicles. This part is listed with a limited lifetime warranty for the covered Subaru Impreza application.