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Walker 18914 Exhaust Muffler
| Brand | Walker 18914 |
|---|---|
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.5 |
| Body Width | 9 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.5 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 28 |
| Body Height | 7 |
| Body Length | 24 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 1.625 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 2.5 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Offset |
| Outlet Type | Pipe connection |
| Product line | SoundFX Direct Fit |
| Fits | Ford and Lincoln · 12 vehicles |
Direct-fit design. Installs as a specific replacement with no guesswork.
Aluminized steel. Helps resist corrosion for longer service life than low-carbon steel.
Mechanical interior joints. Spun-locked heads add durability and a quality appearance.
Cross-references AP Exhaust 700346 for the same application. See all 1.
Walker SoundFX Direct Fit Muffler for Expedition and Navigator
Walker SoundFX Direct Fit muffler Part Number 18914 is a specific-fit exhaust muffler for select 1999-2002 Ford Expedition and Lincoln Navigator applications. It uses 100% aluminized steel for improved service life versus low-carbon steel and is built for a clean OE-style appearance with controlled exhaust acoustics.
Key Features
- Specific-fit exhaust muffler for direct replacement applications
- Oval muffler body with 28-inch overall length
- 2.5-inch inlet and 2.5-inch outlet pipe connection
- Offset inlet and offset outlet configuration
- Aluminized steel body and finish for corrosion resistance
- Mechanical interior joints and spun-locked heads for added durability
- Walker SoundFX Direct Fit product line for OE-style exhaust service
Detailed Description
Walker 18914 is a combination-style exhaust muffler engineered for direct-fit service on 1999-2002 Ford Expedition and 1999-2002 Lincoln Navigator models. The oval steel body measures 24 inches long, 9 inches wide, and 7 inches high, with a 2.5-inch inlet and outlet and a 1.625-inch inlet offset. For buyers searching for a 1999-2002 Ford Expedition muffler replacement or a Lincoln Navigator exhaust muffler with direct-fit dimensions, this part matches the listed application and connection style. This part cross-references AP Exhaust 700346 for the same application.
The SoundFX Direct Fit line focuses on fitment accuracy, durable construction, and balanced exhaust tone. For Expedition and Navigator owners replacing a worn or damaged muffler, Part Number 18914 provides a direct replacement path without changing the vehicle’s exhaust layout beyond the confirmed application.
What It Helps Address
- Rust-through or corrosion in the original muffler body
- Exhaust noise caused by a failing internal muffler structure
- Restricted exhaust flow from a damaged or deteriorated muffler
- Fitment issues when replacing a welded factory muffler assembly
- Loss of OE-style exhaust appearance on the vehicle
Installation Notes and Tips
Compatible With 1999-2002 Ford Expedition and 1999-2002 Lincoln Navigator, N/A. If the original system is a welded assembly, replace all required parts as noted in the fitment data. Verify inlet and outlet orientation, offset dimensions, and pipe diameter before installation. Part Number 18914 uses pipe connections and is not reversible or tunable.
Quality Assurance
Walker SoundFX Direct Fit mufflers are built with aluminized steel construction, mechanical interior joints, and spun-locked heads to support long-term durability in exhaust service. The design emphasizes consistent fit and OE-style acoustics for the listed Expedition and Navigator applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Ford | Expedition | 4.6L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2002 | Ford | Expedition | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2002 | Lincoln | Navigator | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | Ford | Expedition | 4.6L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | Ford | Expedition | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | Lincoln | Navigator | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Ford | Expedition | 4.6L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Ford | Expedition | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Lincoln | Navigator | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Ford | Expedition | 4.6L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Ford | Expedition | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Lincoln | Navigator | 5.4L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit |
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