Walker 21542 Exhaust Muffler

Walker Quiet-Flow SS Muffler Overview

Walker Quiet-Flow SS Muffler Part Number 21542 is a direct-fit exhaust muffler built for specific applications and engineered for OE-style sound control. It features 100% stainless-steel construction in the Quiet-Flow SS line, along with a precision-fit design and balanced flow characteristics for a clean replacement on select Ford E-350 models.

Key Features

• Specific-fit exhaust muffler for confirmed vehicle applications
• Oval body shape with a combination muffler design
• 3-inch inlet and 3-inch outlet pipe connection
• Offset inlet and offset outlet configuration
• Stainless-steel body construction with aluminized finish
• Overall length: 31 inches; body length: 26 inches
• Body dimensions: 9-inch width and 7-inch height
• Walker Quiet-Flow SS product line for OE-style exhaust sound

Product Details

The Walker Quiet-Flow SS line is built around stainless-steel construction and application-specific fitment for domestic and import vehicles. This muffler is shaped for a compact underbody layout and uses offset pipe connections to match the listed exhaust configurations. Walker 21542 is a practical replacement choice for drivers looking to restore exhaust function and maintain a controlled sound profile on Ford E-350 Econoline and Ford E-350 Super Duty applications.

This part cross-references Ford OE numbers F6UZ5230AYA and F7UZ5230ADB for the same application.

Vehicle Fitment

• Fits 2001-2003 Ford E-350 Super Duty, N/A
• Fits 2000 Ford E-350 Econoline Club Wagon, N/A
• Fits 1995-1997 Ford E-350 Econoline Club Wagon, N/A
• Fits 1999 Ford E-350 Econoline Club Wagon, N/A; After 12/07/1998
• Fits 1999 Ford E-350 Super Duty, N/A; After 12/07/1998
• Fits 1998 Ford E-350 Econoline, N/A; Before 12/07/1998
• Fits 1998 Ford E-350 Econoline Club Wagon, N/A; Before 12/07/1998
• Fits 1995-1997 Ford E-350 Econoline, N/A

Common Replacement Uses

• Restoring a damaged or rusted muffler on Ford E-350 vans
• Replacing a noisy exhaust component with an OE-style sound profile
• Addressing exhaust leaks caused by corrosion at the muffler body or connections
• Correcting fitment issues on specific 3-inch offset inlet/outlet exhaust layouts
• Updating an aging exhaust system with stainless-steel construction

Installation Notes

Verify the inlet and outlet diameter, offset configuration, and overall muffler dimensions before installation. This muffler uses pipe connections and is not reversible or tunable, so the exhaust routing must match the listed application. Confirm the vehicle build date for 1998 and 1999 Ford E-350 applications, since fitment changes apply before and after 12/07/1998.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with 100% stainless-steel construction and application-specific fitment for consistent replacement results. Part Number 21542 is part of Walker’s Quiet-Flow SS line, which is designed to deliver precision fit and OE-style sound for the listed Ford E-350 applications.