Walker 18940 Exhaust Muffler - Rear

Walker SoundFX Direct Fit Muffler for Focus

Walker SoundFX Direct Fit muffler Part Number 18940 is built for a direct replacement on select Ford Focus rear exhaust applications. It combines an oval steel body with aluminized finish for a clean OE-style appearance and durable service life.

For drivers searching for a Ford Focus rear muffler replacement, this Walker SoundFX 18940 exhaust muffler is engineered to match the listed fitment and maintain favorable exhaust acoustics.

Key Features

• Direct-fit exhaust muffler for specific vehicle application
• Fits 2000-2004 Ford Focus, rear
• Oval muffler body with 35.75-inch overall length
• 2-inch inlet and 2-inch outlet with pipe connection inlet and tip outlet
• Aluminized steel construction for longer service life than low-carbon steel
• Mechanical interior joints and spun-locked heads for added durability
• Walker SoundFX Direct Fit line focuses on OE-style fit and controlled exhaust sound

Detailed Description

Walker SoundFX Direct Fit Part Number 18940 is a combination-type exhaust muffler designed for specific rear fitment on the 2000-2004 Ford Focus. The oval steel body measures 9.75 inches wide, 4.25 inches high, and 9 inches in body length, with an offset inlet configuration and offset outlet configuration to match the listed application. The aluminized finish helps resist corrosion, while the internal construction is built for durability and consistent exhaust flow characteristics.

The SoundFX Direct Fit product line is aimed at replacement buyers who want a straightforward muffler swap without changing the vehicle’s exhaust layout. If you need a Ford Focus rear muffler replacement, Walker 18940 provides a direct-fit option for the 2000-2004 Ford Focus and is also cross-referenced to AP Exhaust 7453 for the same application.

Common Problems This Part Can Address

• Rust-through or corrosion in the original rear muffler
• Exhaust noise caused by a damaged muffler shell or internal failure
• Restricted exhaust flow from a deteriorated muffler assembly
• Fitment issues when replacing a worn OE-style rear muffler
• Need for a direct-fit replacement on a 2000-2004 Ford Focus

Installation Notes and Tips

Confirm the vehicle is a 2000-2004 Ford Focus with rear muffler placement before ordering. Match the 2-inch inlet and 2-inch outlet dimensions, along with the offset inlet and outlet configuration, to the existing exhaust layout. Because this is a specific-fit muffler, compare the overall length and body dimensions to the original part before installation.

Quality Assurance

Walker uses 100% aluminized steel in this SoundFX Direct Fit muffler to improve service life compared with low-carbon steel. Mechanical interior joints and spun-locked heads are used to support durability in everyday exhaust service.