Walker 17800 Exhaust Muffler

Walker SoundFX Universal Muffler Overview

The Walker SoundFX Universal Muffler, part number 17800, is a universal-fit exhaust muffler built with 100% aluminized steel for improved service life versus low-carbon steel. It delivers a clean appearance and controlled acoustics for drivers looking for a durable replacement muffler with a 2.25-inch inlet and 2-inch outlet.

Compatible with 1991-1996 Buick Park Avenue and 1991-1996 Oldsmobile 98 applications that use a 21-inch muffler body, this Walker SoundFX Universal Muffler 17800 is a practical choice for exhaust repair and custom exhaust work. This part cross-references Monroe Shocks & Struts 5502 for the same application.

Key Features

• Universal-fit exhaust muffler for custom or replacement use
• Oval body shape with aluminized steel construction
• Offset 2.25-inch inlet and center 2-inch outlet
• Overall length: 26 inches; body length: 21 inches
• Body dimensions: 9.75 inches wide and 4.25 inches high
• Mechanical interior joints and spun-locked heads for added durability
• Walker SoundFX Universal line focused on balanced sound and a clean finish

Product Details

Walker SoundFX Universal mufflers are part of Walker’s SoundFX Universal line, which is built for applications that need a universal muffler body with straightforward fitment and dependable construction. Part number 17800 uses aluminized steel throughout the body for corrosion resistance compared with low-carbon steel, while the oval combination muffler design supports a controlled exhaust tone without tunability or reversibility. The offset inlet and center outlet layout makes it suitable for exhaust routing where the inlet and outlet positions must match the vehicle or custom system layout.

Fits 1991-1996 Buick Park Avenue, N/A, with 21 (in) Muffler Body; Modifications and/or Additional Parts May Be Required for Installation; SoundFX Universal. Fits 1991-1996 Oldsmobile 98, N/A, with 21 (in) Muffler Body; Modifications and/or Additional Parts May Be Required for Installation; SoundFX Universal. Walker SoundFX Universal Muffler 17800 is also referenced in exhaust replacement searches for Buick Park Avenue and Oldsmobile 98 muffler applications.

Common Exhaust Problems It Can Address

• Rust-through or corrosion in an existing muffler body
• Excessive exhaust noise from a damaged muffler
• Poor exhaust tone caused by internal muffler wear
• Replacement needs for a 21-inch muffler body layout
• Custom exhaust routing that requires an offset inlet and center outlet

Installation Notes

Verify inlet and outlet diameters, body length, and available clearance before installation. This muffler uses pipe connections with a 2.25-inch inlet and 2-inch outlet, so exhaust system alignment and any required fabrication should be checked before final fitment. For the listed Buick Park Avenue and Oldsmobile 98 applications, the notes indicate that modifications and/or additional parts may be required.

Quality Assurance

Walker builds SoundFX Universal mufflers with aluminized steel construction, mechanical interior joints, and spun-locked heads to support durability in exhaust service. Part number 17800 is engineered for dependable replacement use in universal and vehicle-specific exhaust applications.