Walker 18963 Exhaust Muffler - Front

Overview of Walker SoundFX Direct Fit Exhaust Muffler 18963

The Walker SoundFX Direct Fit Exhaust Muffler 18963 is designed specifically for Nissan Pathfinder and Infiniti QX4 models. This oval-shaped reflection muffler offers a precise fit and reliable performance for your vehicle's exhaust system.

• Specific fit for Nissan Pathfinder and Infiniti QX4
• Oval-shaped reflection muffler design
• Dual inlet pipe connections with 1.75-inch inside diameter
• Offset outlet with 2 bolt welded flange
• Durable aluminized steel body construction
• Overall length of 39.5 inches with 11-inch body width

Walker SoundFX Direct Fit Product Line Details

The SoundFX Direct Fit line by Walker focuses on providing exhaust components engineered for direct replacement without modification. This product line emphasizes exact fitment and sound control, making it suitable for vehicles like the Nissan Pathfinder and Infiniti QX4. The 18963 muffler maintains the original exhaust sound characteristics while ensuring proper exhaust flow and durability.

Product Features and Specifications

This Walker exhaust muffler features a reflection muffler type designed to reduce noise through sound wave reflection. It has a dual inlet configuration with two 1.75-inch inside diameter pipe connections, offset by 1.5 inches, allowing for proper alignment with the vehicle’s exhaust pipes. The outlet is configured with a 2 bolt welded flange, offset to match factory specifications. The muffler body is constructed from aluminized steel, providing corrosion resistance and longevity. Its oval shape measures 11 inches in width, 5.5 inches in height, and 18 inches in body length, with an overall length of 39.5 inches.

Applications and Problem Solving

• Replacement for damaged or rusted mufflers on Nissan Pathfinder and Infiniti QX4
• Restores proper exhaust flow and reduces excessive noise
• Eliminates exhaust leaks caused by worn or cracked mufflers
• Maintains factory exhaust sound and performance characteristics
• Prevents further corrosion with aluminized steel construction

Installation Notes and Tips

The Walker SoundFX Direct Fit muffler 18963 is designed for specific fitment on Nissan Pathfinder and Infiniti QX4 models, ensuring a direct replacement without the need for modifications. It features pipe connection inlets and a 2 bolt welded flange outlet, so verify compatibility with your vehicle’s exhaust system before installation. Proper alignment of the dual inlet pipes and outlet flange is essential for a secure fit and leak-free operation.

Quality Assurance and Warranty

Walker manufactures the SoundFX Direct Fit muffler 18963 with aluminized steel for durability and corrosion resistance. While specific warranty details are not provided, Walker products typically meet industry standards for quality and reliability, ensuring consistent performance for your Nissan Pathfinder or Infiniti QX4.