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Walker 18964 Exhaust Muffler
Overview of Walker SoundFX Direct Fit Exhaust Muffler 18964
The Walker SoundFX Direct Fit Exhaust Muffler 18964 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.
- Specific fit for INFINITI and Nissan Pathfinder and QX4 models
- Reflection muffler type for effective sound attenuation
- Oval-shaped aluminized steel body measuring 18 inches in length and 11 inches in width
- Dual 1.75-inch inside diameter pipe connection inlets with offset configuration
- Single outlet with 2 bolt welded flange and offset design
- Durable aluminized steel construction for corrosion resistance
- Overall length of 30 inches with a body height of 5.5 inches
Detailed Product Description
The Walker SoundFX Direct Fit Exhaust Muffler 18964 is engineered with a reflection muffler design that helps reduce exhaust noise while maintaining optimal exhaust flow. Its oval-shaped body, constructed from aluminized steel, provides durability and resistance to corrosion, extending the muffler's service life. The dual inlet pipe connections, each with a 1.75-inch inside diameter, are offset by 1.5 inches to ensure a precise fit within the exhaust system of compatible vehicles. The single outlet features a 2 bolt welded flange with an offset configuration, facilitating secure attachment to the exhaust pipe. This muffler is a specific fit part, designed to match the exhaust requirements of INFINITI Pathfinder and Nissan QX4 models, ensuring proper installation and performance.
Walker SoundFX Direct Fit Product Line
The SoundFX Direct Fit line by Walker focuses on providing exhaust components that are tailored to specific vehicle applications. This approach ensures that each muffler, including part number 18964, fits precisely without the need for modifications. The line emphasizes sound control and durability, making it suitable for drivers seeking a direct replacement muffler that meets original equipment specifications.
Common Applications and Problem Solving
- Replacement for damaged or rusted mufflers on INFINITI Pathfinder and Nissan QX4
- Reduction of excessive exhaust noise caused by muffler failure
- Restoration of proper exhaust flow to maintain engine performance
- Prevention of exhaust leaks that can affect emissions and vehicle safety
- Upgrade to a durable aluminized steel muffler for extended service life
Installation Notes and Tips
Installation of the Walker SoundFX Direct Fit Exhaust Muffler 18964 requires compatibility with the vehicle's existing exhaust system, specifically the dual inlet pipe connections and 2 bolt welded flange outlet. Ensure that the inlet and outlet diameters match the vehicle's exhaust pipes (1.75 inches inside diameter). Professional installation is recommended to verify proper alignment and secure attachment, preventing exhaust leaks and ensuring optimal performance.
Quality Assurance and Warranty
Walker manufactures the SoundFX Direct Fit mufflers with aluminized steel to resist corrosion and wear. While specific warranty details for part number 18964 are not provided here, Walker products typically meet industry standards for durability and fitment. For warranty information, consult the product documentation or manufacturer directly.
| Brand | Walker |
| Part Number | 18964 |
| Position | SoundFX Direct Fit |
| Muffler Type | Reflection |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 1.75 |
| Body Width | 11 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 30 |
| Body Height | 5.5 |
| Body Length | 18 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 1.75 |
| Inlet 1 Type | Pipe connection |
| Inlet 2 Inside Diameter | 1.75 |
| Inlet 2 Type | Pipe connection |
| Inlet Configuration | Dual |
| Inlet Offset | 1.5 |
| Inlet Quantity | 2 |
| Inlet Type | Pipe connection |
| Outlet 1 Type | 2 bolt welded flange |
| Outlet Configuration | Offset |
| Outlet Type | 2 bolt welded flange |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | INFINITI | QX4 | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Nissan | Pathfinder | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | INFINITI | QX4 | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Nissan | Pathfinder | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1998 | INFINITI | QX4 | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1998 | Nissan | Pathfinder | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1997 | INFINITI | QX4 | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1997 | Nissan | Pathfinder | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1996 | Nissan | Pathfinder | 3.3L | V6 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.