Walker 18962 Exhaust Muffler - Rear

Overview of Walker SoundFX Direct Fit Exhaust Muffler 18962

The Walker SoundFX Direct Fit Exhaust Muffler 18962 is designed specifically for select INFINITI and Nissan models, including the Pathfinder and QX4. This reflection-type muffler offers a precise fit and reliable performance for your vehicle's exhaust system.

• Reflection muffler type for effective sound attenuation
• Specific fit for INFINITI and Nissan Pathfinder and QX4 models
• Constructed from aluminized steel for corrosion resistance
• Round shape with 5-inch body width and height
• Single inlet and outlet with 2.25-inch pipe connections
• Overall length of 49.5 inches and body length of 12 inches
• Center inlet and outlet configuration with 2 bolt welded flange inlet
• Non-reversible and non-tunable design

Detailed Product Description

The Walker SoundFX Direct Fit muffler 18962 is engineered with a reflection muffler design that helps reduce exhaust noise by reflecting sound waves within the muffler body. Its round shape and dimensions—5 inches in both body width and height, with a 12-inch body length—ensure a compact yet effective fit. Made from aluminized steel, this muffler offers durability and resistance to rust and corrosion, extending the service life of your exhaust system.

This muffler features a single inlet and outlet, both with 2.25-inch outside diameters and pipe connection outlets, designed for center alignment. The inlet uses a 2 bolt welded flange for secure attachment. The overall length of 49.5 inches allows for proper integration within the exhaust system of compatible vehicles. The muffler is not reversible or tunable, ensuring a straightforward replacement part that matches factory specifications.

Walker SoundFX Direct Fit Product Line

The SoundFX Direct Fit line by Walker focuses on providing mufflers that are designed to match the original equipment specifications for specific vehicle makes and models. This product line emphasizes direct fitment, reducing installation time and ensuring compatibility. The 18962 muffler is part of this line, offering a tailored solution for INFINITI and Nissan Pathfinder and QX4 vehicles requiring a reliable exhaust muffler replacement.

Applications and Problem Solving

• Replacement for worn or damaged mufflers on INFINITI Pathfinder and Nissan QX4
• Reduces excessive exhaust noise caused by muffler failure
• Prevents exhaust leaks that can affect engine performance
• Restores proper exhaust flow and backpressure
• Helps maintain emissions compliance by ensuring exhaust system integrity

Installation Notes and Tips

Installation of the Walker SoundFX Direct Fit muffler 18962 requires alignment with the existing exhaust system using the 2 bolt welded flange inlet. Ensure the inlet and outlet pipe diameters match the vehicle’s exhaust pipes (2.25 inches). This muffler is designed for center inlet and outlet configuration, so verify orientation before installation. Professional installation is recommended to ensure proper sealing and fitment.

Quality Assurance

Walker manufactures the SoundFX Direct Fit muffler 18962 with aluminized steel to provide corrosion resistance and durability. This part meets or exceeds OEM specifications for fit and function. While specific warranty details are not provided, Walker products typically come with a limited warranty against defects in materials and workmanship.