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Walker 18909 Exhaust Muffler
Overview of Walker SoundFX Direct Fit Exhaust Muffler 18909
The Walker SoundFX Direct Fit Exhaust Muffler 18909 is designed specifically for Ford Explorer and Mercury Mountaineer models. This oval-shaped muffler offers a precise fit and reliable performance for your vehicle's exhaust system.
- Specific fit for Ford Explorer and Mercury Mountaineer
- Oval body shape with aluminized steel construction
- Inlet and outlet inside diameter of 2.25 inches
- Combination muffler type with offset inlet configuration
- Overall length of 31.625 inches and body length of 20 inches
Product Features and Specifications
This exhaust muffler features a durable aluminized steel body with an oval shape measuring 11 inches in width and 5.5 inches in height. The inlet configuration includes two inlets: one with a 2-bolt loose flange and the other a pipe connection, both with a 2.25-inch inside diameter and an offset of 3.5 inches. The outlet is a single pipe connection centered with a 2.25-inch inside diameter. The muffler is a combination type, designed to balance sound reduction and exhaust flow without tunability or reversibility.
Walker SoundFX Direct Fit Product Line
The SoundFX Direct Fit line by Walker focuses on providing exhaust components that match the original equipment specifications for a direct replacement. This ensures proper fitment and performance for specific vehicle models, such as the Ford Explorer and Mercury Mountaineer. The 18909 muffler maintains factory-style sound and durability while simplifying installation.
Applications and Problem Solving
- Replacement for worn or damaged mufflers on Ford Explorer and Mercury Mountaineer
- Restores proper exhaust flow and reduces excessive noise
- Prevents exhaust leaks caused by rust or corrosion
- Maintains factory exhaust sound and performance
- Helps meet emissions and noise regulations by ensuring proper muffler function
Installation Notes and Tips
This muffler is designed for a specific fit on Ford Explorer and Mercury Mountaineer models, matching OEM inlet and outlet sizes and configurations. Installation requires aligning the 2-bolt loose flange and pipe connection inlets with the vehicle’s exhaust system. Due to the offset inlet design, ensure proper orientation during installation. Professional installation is recommended for best results.
Quality Assurance and Warranty
Constructed from aluminized steel, the Walker SoundFX Direct Fit Exhaust Muffler 18909 offers corrosion resistance and durability suitable for regular driving conditions. While specific warranty details are not provided, Walker products typically meet industry standards for quality and reliability.
| Brand | Walker |
| Part Number | 18909 |
| Position | SoundFX Direct Fit |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.25 |
| Body Width | 11 |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 31.625 |
| Body Height | 5.5 |
| Body Length | 20 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Type | 2 bolt loose flange |
| Inlet 2 Inside Diameter | 2.25 |
| Inlet 2 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 3.5 |
| Inlet Quantity | 2 |
| Inlet Type | 2 bolt loose flange |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 2.25 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Center |
| Outlet Type | Pipe connection |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Ford | Explorer | 5.0L | V8 | N/A | with Dual Inlets; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | Mercury | Mountaineer | 5.0L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Ford | Explorer | 5.0L | V8 | N/A | with Dual Inlets; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Mercury | Mountaineer | 5.0L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Ford | Explorer | 5.0L | V8 | N/A | with Dual Inlets; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Mercury | Mountaineer | 5.0L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1998 | Ford | Explorer | 5.0L | V8 | N/A | with Dual Inlets; After 01/28/1998; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1998 | Mercury | Mountaineer | 5.0L | V8 | N/A | After 01/28/1998; 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.