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Walker 18381 Exhaust Muffler
Overview of Walker SoundFX Direct Fit Exhaust Muffler 18381
The Walker SoundFX Direct Fit Exhaust Muffler 18381 is designed specifically for select Chrysler, Dodge, and Jeep vehicles. This oval-shaped muffler offers a precise fit and reliable performance for models including the B100, B200, B300, Cherokee, Grand Wagoneer, Imperial, Monaco, Newport, New Yorker, Town & Country, and Wagoneer.
- Specific fit for Chrysler, Dodge, and Jeep models
- Oval body shape with aluminized steel construction
- 2.5-inch inlet and outlet pipe connections
- Offset inlet and center outlet configuration
- Combination muffler type for balanced sound and performance
- Overall length of 29 inches with a 9.75-inch body width
Product Line: Walker SoundFX Direct Fit
The SoundFX Direct Fit line by Walker focuses on providing exhaust mufflers engineered for direct replacement without modification. This product line emphasizes exact fitment and sound control tailored to specific vehicle applications. The 18381 muffler maintains these standards, ensuring compatibility and consistent exhaust flow for the designated Chrysler, Dodge, and Jeep models.
Detailed Product Description
The Walker 18381 exhaust muffler features a durable aluminized steel body designed to resist corrosion and extend service life. Its oval shape measures 9.75 inches in width, 4.25 inches in height, and 25 inches in body length, fitting precisely within the exhaust system layout of compatible vehicles. The muffler includes a single 2.5-inch inlet pipe connection with an offset configuration of 2.875 inches, and a single 2.5-inch outlet pipe connection centered for optimal exhaust flow. This combination muffler type balances noise reduction and exhaust efficiency without tunability or reversibility, making it a straightforward replacement part.
Applications and Problem Solving
- Replacement for worn or damaged mufflers on Chrysler B100, B200, B300 series
- Restores proper exhaust flow and reduces excessive noise in Jeep Cherokee and Grand Wagoneer
- Addresses exhaust leaks and corrosion issues in Dodge Monaco and Imperial models
- Maintains factory exhaust sound characteristics for Newport, New Yorker, and Town & Country vehicles
- Ensures compliance with exhaust system specifications on Wagoneer models
Installation Notes and Tips
This muffler is designed for direct fit installation on specified Chrysler, Dodge, and Jeep models. It requires pipe connection at both inlet and outlet with no reversibility or tuning options. Proper alignment of the offset inlet and center outlet is essential to ensure a secure fit and prevent exhaust leaks. Professional installation is recommended to verify correct positioning and welding or clamping as needed.
Quality Assurance
Constructed from aluminized steel, the Walker SoundFX Direct Fit muffler 18381 offers corrosion resistance suitable for standard driving conditions. While specific warranty details are not provided, Walker products typically meet industry standards for durability and performance in exhaust components.
| Brand | Walker |
|---|---|
| Part Number | 18381 |
| 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 | 29 |
| Body Height | 4.25 |
| Body Length | 25 |
| 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 55 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1991 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1990 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1989 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1988 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1987 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1986 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1985 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1984 | Jeep | Grand Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1983 | Jeep | Cherokee | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1982 | Jeep | Cherokee | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1982 | Jeep | Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1981 | Jeep | Cherokee | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1981 | Jeep | Wagoneer | 5.9L | V8 | N/A | If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1980 | Jeep | Cherokee | 5.9L | V8 | N/A | without California Emission System; If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1980 | Jeep | Wagoneer | 5.9L | V8 | N/A | without California Emission System; If welded assembly, replace all required parts; SoundFX Direct Fit | ||
| 1978 | Dodge | B100 | 5.9L | V8 | N/A | with Sound Control; SoundFX Direct Fit | ||
| 1978 | Dodge | B200 | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1978 | Dodge | B200 | 5.9L | V8 | N/A | with Sound Control; SoundFX Direct Fit | ||
| 1978 | Dodge | B200 | 6.6L | V8 | N/A | SoundFX Direct Fit | ||
| 1978 | Dodge | B300 | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1978 | Dodge | B300 | 5.9L | V8 | N/A | SoundFX Direct Fit | ||
| 1978 | Dodge | B300 | 6.6L | V8 | N/A | SoundFX Direct Fit | ||
| 1977 | Dodge | B100 | 5.9L | V8 | N/A | with Sound Control; SoundFX Direct Fit | ||
| 1977 | Dodge | B200 | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1977 | Dodge | B200 | 5.9L | V8 | N/A | with Sound Control; SoundFX Direct Fit | ||
| 1977 | Dodge | B200 | 6.6L | V8 | N/A | SoundFX Direct Fit | ||
| 1977 | Dodge | B300 | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1977 | Dodge | B300 | 5.9L | V8 | N/A | SoundFX Direct Fit | ||
| 1977 | Dodge | B300 | 6.6L | V8 | N/A | SoundFX Direct Fit | ||
| 1976 | Dodge | B200 | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1976 | Dodge | B200 | 6.6L | V8 | N/A | SoundFX Direct Fit | ||
| 1976 | Dodge | B300 | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1976 | Dodge | B300 | 6.6L | V8 | N/A | SoundFX Direct Fit | ||
| 1974 | Chrysler | Imperial | 7.2L | V8 | N/A | with Standard Duty Engine; SoundFX Direct Fit | ||
| 1974 | Chrysler | New Yorker | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1974 | Chrysler | Newport | Custom | 7.2L | V8 | N/A | SoundFX Direct Fit | |
| 1974 | Chrysler | Town & Country | Wagon | 7.2L | V8 | N/A | SoundFX Direct Fit | |
| 1974 | Dodge | Monaco | Wagon | 7.2L | V8 | N/A | SoundFX Direct Fit | |
| 1973 | Chrysler | Imperial | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1973 | Chrysler | New Yorker | Brougham | 7.2L | V8 | N/A | SoundFX Direct Fit | |
| 1973 | Chrysler | Newport | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1973 | Chrysler | Town & Country | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1973 | Dodge | Monaco | U/K | 6.6L | V8 | N/A | SoundFX Direct Fit | |
| 1973 | Dodge | Monaco | 7.2L | V8 | N/A | with Single Exhaust; SoundFX Direct Fit | ||
| 1972 | Chrysler | Imperial | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1972 | Chrysler | New Yorker | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1972 | Chrysler | Newport | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1972 | Chrysler | Town & Country | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1972 | Dodge | Monaco | U/K | 6.6L | V8 | N/A | SoundFX Direct Fit | |
| 1972 | Dodge | Monaco | 7.2L | V8 | N/A | with Single Exhaust; SoundFX Direct Fit | ||
| 1971 | Chrysler | Imperial | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1971 | Chrysler | Town & Country | 7.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1971 | Chrysler | Town & Country | 6.3L | V8 | N/A | SoundFX Direct Fit | ||
| 1971 | Dodge | Monaco | U/K | 7.2L | V8 | N/A | with Single Exhaust; SoundFX Direct Fit | |
| 1971 | Dodge | Monaco | U/K | 6.3L | V8 | N/A | with Single Exhaust; 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.