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Walker 18373 Exhaust Muffler
Overview of Walker SoundFX Direct Fit Exhaust Muffler 18373
The Walker SoundFX Direct Fit Exhaust Muffler 18373 is designed specifically for Ford F-250, F-250 HD, and F-350 models. This oval-shaped muffler offers a precise fit and reliable performance for your vehicle's exhaust system.
- Specific fit for Ford F-250, F-250 HD, and F-350
- Oval body shape with aluminized steel construction
- 2.5-inch inlet and outlet inside diameters
- Offset inlet and center outlet pipe connections
- Combination muffler type with a 41-inch overall length
Product Features and Specifications
The Walker 18373 muffler features a durable aluminized steel body measuring 28 inches in length, 9.75 inches in width, and 4.25 inches in height. It has a 2.5-inch inside diameter for both inlet and outlet pipes, ensuring compatibility with the exhaust piping of Ford F-250 and F-350 trucks. The inlet is offset by 2.875 inches and uses a pipe connection type, while the outlet is centered, also with a pipe connection. This combination muffler design balances sound reduction and exhaust flow for regular grade performance.
About the SoundFX Direct Fit Product Line
The SoundFX Direct Fit line by Walker focuses on providing mufflers that match the original equipment specifications for specific vehicle models. This ensures a direct fit without the need for modifications, maintaining factory sound levels and exhaust performance. The 18373 muffler is part of this line, offering a straightforward replacement option for Ford F-250 and F-350 trucks.
Applications and Problem Solving
- Replacement for worn or damaged mufflers on Ford F-250, F-250 HD, and F-350
- Reduces exhaust noise to factory levels
- Prevents exhaust leaks caused by rust or corrosion
- Maintains proper exhaust flow for engine efficiency
- Helps meet emissions and noise regulations
Installation Notes and Tips
This muffler is designed for specific fitment on Ford F-250 and F-350 models, allowing for direct installation using existing pipe connections. Ensure the inlet and outlet diameters match your vehicle’s exhaust piping (2.5 inches). The offset inlet requires alignment during installation to fit properly. Professional installation is recommended to verify proper sealing and secure mounting.
Quality Assurance and Warranty
Constructed from aluminized steel, the Walker 18373 muffler offers corrosion resistance suitable for regular use. While specific warranty details are not provided, Walker products typically meet industry standards for durability and performance in exhaust components.
| Brand | Walker |
| Part Number | 18373 |
| Position | SoundFX Direct Fit |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.5 |
| Body Width | 9.75 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.5 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 41 |
| Body Height | 4.25 |
| Body Length | 28 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 2.875 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 2.5 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Center |
| Outlet Type | Pipe connection |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1997 | Ford | F-250 HD | Manual | 5.8L | V8 | 139.0" | N/A | Over 8500 (lb) GVW; Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1996 | Ford | F-250 | Manual | 5.8L | V8 | 139.0" | N/A | Over 8500 (lb) GVW; Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1995 | Ford | F-350 | RWD | 5.8L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1995 | Ford | F-350 | RWD | 5.8L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1994 | Ford | F-350 | RWD | 5.8L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1994 | Ford | F-350 | RWD | 5.8L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1993 | Ford | F-350 | RWD | 5.8L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1993 | Ford | F-350 | RWD | 5.8L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1992 | Ford | F-350 | 4WD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1992 | Ford | F-350 | 4WD | 7.5L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1992 | Ford | F-350 | RWD | 7.5L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1992 | Ford | F-350 | RWD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1992 | Ford | F-350 | RWD | 5.8L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1992 | Ford | F-350 | RWD | 5.8L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1991 | Ford | F-350 | 4WD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1991 | Ford | F-350 | 4WD | 7.5L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1991 | Ford | F-350 | RWD | 7.5L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1991 | Ford | F-350 | RWD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1991 | Ford | F-350 | RWD | 5.8L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1991 | Ford | F-350 | RWD | 5.8L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1990 | Ford | F-350 | 4WD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1990 | Ford | F-350 | 4WD | 7.5L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1990 | Ford | F-350 | RWD | 7.5L | V8 | 168.4" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1990 | Ford | F-350 | RWD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1990 | Ford | F-350 | RWD | 5.8L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1990 | Ford | F-350 | RWD | 5.8L | V8 | 160.8" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1989 | Ford | F-350 | 4WD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1989 | Ford | F-350 | 4WD | 7.5L | V8 | 160.8" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1989 | Ford | F-350 | RWD | 7.5L | V8 | 160.8" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1989 | Ford | F-350 | RWD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1989 | Ford | F-350 | RWD | 5.8L | V8 | 160.8" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1989 | Ford | F-350 | RWD | 5.8L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1988 | Ford | F-350 | 4WD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1988 | Ford | F-350 | 4WD | 7.5L | V8 | 160.8" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1988 | Ford | F-350 | RWD | 7.5L | V8 | 160.8" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1988 | Ford | F-350 | RWD | 7.5L | V8 | 137.0" | N/A | Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 1987 | Ford | F-250 | 7.5L | V8 | 133.0" | N/A | Over 8500 (lb) GVW; with Engine Code EFI; Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1987 | Ford | F-250 | 7.5L | V8 | N/A | Over 8500 (lb) GVW; with Engine Code EFI; Requires 35276; 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.