Walker 17831 Exhaust Muffler - Right

Walker SoundFX Universal Muffler for Classic GM Trucks

Walker SoundFX Universal Muffler Part Number 17831 is a universal oval exhaust muffler built with 100% aluminized steel for improved service life versus low-carbon steel. It is a practical choice for drivers looking for a replacement muffler with a clean appearance and controlled exhaust tone.

Compatible With 1976-1987 Chevrolet and GMC truck applications, including Chevrolet K10, K20, C10, C20, and GMC K1500, K2500, C1500, C2500 models in listed right-side and dual-exhaust configurations.

Key Features

• Universal fit exhaust muffler for custom and replacement applications
• Oval body shape with a regular grade construction
• 100% aluminized steel body and finish for corrosion resistance
• Mechanical interior joints and spun-locked heads for added durability
• Offset inlet and outlet pipe connection layout
• 2.5-inch inlet inside diameter with 2-inch outlet outside diameter
• Walker SoundFX Universal line focused on balanced acoustics and a clean undercar appearance

Product Details

The Walker SoundFX Universal Muffler Part Number 17831 uses a combination muffler design with a 26-inch overall length, 21-inch body length, 9.75-inch body width, and 4.25-inch body height. Its offset inlet and outlet configuration supports a range of exhaust routing needs, while the aluminized steel construction helps resist wear in everyday driving conditions. This muffler is listed for right-side and N/A positions across select Chevrolet and GMC trucks from 1976 through 1987, including Chevrolet K10, K20, C10, C20 and GMC Jimmy, K1500, K2500, C1500, and C2500 applications. This part number, 17831, is a fitment-focused option for owners restoring or repairing classic GM dual-exhaust systems.

Walker SoundFX Universal is the brand line for drivers who need a universal muffler with dependable construction and a straightforward acoustic profile. It is built for applications where a direct universal replacement is preferred over a vehicle-specific muffler shape.

Common Problems It Can Address

• Rust-through or corrosion in an existing muffler
• Exhaust noise caused by a damaged internal muffler core
• Poor exhaust tone from an aging replacement muffler
• Fitment needs for custom exhaust routing on classic Chevrolet and GMC trucks
• Replacement of a worn muffler on right-side dual-exhaust layouts

Installation Notes and Tips

Installation may require modifications and/or additional parts, as noted in the fitment data. Verify inlet and outlet diameters, offset measurements, body dimensions, and vehicle-side routing before installation. Because this is a universal muffler, confirm clearance around the axle, frame, and suspension components on your Chevrolet K10, K20, C10, C20 or GMC Jimmy, K1500, and related applications.

Quality Assurance

Walker builds this muffler with aluminized steel, mechanical interior joints, and spun-locked heads to support durability in exhaust service. The SoundFX Universal line is engineered to provide a quality appearance and favorable acoustics for compatible classic GM truck applications.