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Walker 18449 Exhaust Muffler
Walker SoundFX Direct Fit Muffler 18449
Walker SoundFX Direct Fit muffler 18449 is a specific-fit exhaust muffler built for select Dodge, Plymouth, and Chrysler applications. It uses aluminized steel construction for improved service life versus low-carbon steel and is shaped for a direct replacement on vehicles that need a round, offset-inlet, offset-outlet muffler.
Key Features
- Part number 18449 from Walker SoundFX Direct Fit
- Specific-fit exhaust muffler for select Chrysler, Dodge, and Plymouth vehicles
- 100% aluminized steel body for corrosion resistance and longer service life
- Round, combination muffler design with 1.875 in. inlet and outlet diameters
- Offset inlet and offset outlet configuration for direct-fit replacement
- Mechanical interior joints and spun-locked heads for added durability
- Body dimensions: 5 in. width, 5 in. height, 19 in. body length, 25.5 in. overall length
Product Details
Walker SoundFX Direct Fit is a product line focused on OE-style exhaust replacement with a clean appearance and controlled acoustics. This muffler follows the direct-fit format for easier matching to the original exhaust layout, making it a practical choice for restoring exhaust function on vehicles such as the Dodge Aries, Plymouth Reliant, Chrysler LeBaron, Dodge 600, Dodge Rampage, and Dodge Challenger. Part number 18449 is built with aluminized steel and a steel body to support long-term exhaust service in everyday driving conditions.
This part cross-references AP Exhaust 9206 for the same application.
What It Helps Fix
- Exhaust noise from a rusted or damaged muffler
- Restricted exhaust flow caused by internal muffler deterioration
- Fitment issues when replacing an original offset muffler
- Visible corrosion on an aging exhaust component
- Loss of factory-style exhaust tone on select classic vehicles
Installation Notes
Fits 1981-1989 Dodge Aries, N/A. Fits 1981-1989 Plymouth Reliant, N/A. Fits 1982-1986 Chrysler LeBaron, N/A. Fits 1984-1986 Dodge 600, N/A. Fits 1982-1984 Dodge Rampage, N/A. Fits 1970-1974 Dodge Challenger, N/A.
Verify inlet and outlet diameter, offset configuration, and overall length against the original muffler before installation. This muffler uses pipe-connection inlet and tip-style outlet connections with a 1.875 in. inside diameter at the inlet and 1.875 in. outside diameter at the outlet. Professional exhaust installation is recommended for proper alignment and sealing.
Quality Assurance
Walker builds SoundFX Direct Fit mufflers with aluminized steel, mechanical interior joints, and spun-locked heads to support durability and consistent fit. Part number 18449 is engineered as a direct replacement for select factory exhaust applications.
| Brand | Walker |
|---|---|
| Part Number | 18449 |
| Position | SoundFX Direct Fit |
| Universal Or Specific Fit | Specific |
| Shape | Round |
| Grade Type | Regular |
| Inlet Inside Diameter | 1.875 |
| Body Width | 5 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 25.5 |
| Body Height | 5 |
| Body Length | 19 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 1.875 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 1.25 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Outside Diameter | 1.875 |
| Outlet 1 Type | Tip |
| Outlet Configuration | Offset |
| Outlet Outside Diameter | 1.875 |
| Outlet Type | Tip |
This part fits 66 vehicles. Search below:
| Year | Make | Model | Submodel | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1989 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1989 | Dodge | Aries | 2.5L | L4 | N/A | SoundFX Direct Fit | ||
| 1989 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1989 | Plymouth | Reliant | 2.5L | L4 | N/A | SoundFX Direct Fit | ||
| 1988 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1988 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1987 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1987 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1986 | Chrysler | LeBaron | Base | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Chrysler | LeBaron | Mark Cross | 2.5L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Chrysler | LeBaron | Base | 2.5L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Dodge | 600 | 2 Door | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Dodge | 600 | 2 Door | 2.5L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Dodge | Aries | 2.5L | L4 | N/A | SoundFX Direct Fit | ||
| 1986 | Dodge | Aries | Base | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Dodge | Aries | LE | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Dodge | Aries | SE | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1986 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1986 | Plymouth | Reliant | 2.5L | L4 | N/A | SoundFX Direct Fit | ||
| 1985 | Chrysler | LeBaron | Base | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1985 | Chrysler | LeBaron | Mark Cross | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1985 | Chrysler | LeBaron | Mark Cross | 2.6L | L4 | N/A | SoundFX Direct Fit | |
| 1985 | Chrysler | LeBaron | Base | 2.6L | L4 | N/A | SoundFX Direct Fit | |
| 1985 | Dodge | 600 | 2 Door | 2.6L | L4 | N/A | SoundFX Direct Fit | |
| 1985 | Dodge | 600 | 2 Door | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1985 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1985 | Dodge | Aries | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1985 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1985 | Plymouth | Reliant | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1984 | Chrysler | LeBaron | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1984 | Chrysler | LeBaron | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1984 | Dodge | 600 | 2 Door | 2.6L | L4 | N/A | SoundFX Direct Fit | |
| 1984 | Dodge | 600 | 2 Door | 2.2L | L4 | N/A | SoundFX Direct Fit | |
| 1984 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1984 | Dodge | Aries | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1984 | Dodge | Rampage | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1984 | Plymouth | Reliant | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1984 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1983 | Chrysler | LeBaron | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1983 | Chrysler | LeBaron | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1983 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1983 | Dodge | Aries | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1983 | Dodge | Rampage | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1983 | Plymouth | Reliant | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1983 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1982 | Chrysler | LeBaron | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1982 | Chrysler | LeBaron | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1982 | Dodge | Aries | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1982 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1982 | Dodge | Rampage | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1982 | Plymouth | Reliant | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1982 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1981 | Dodge | Aries | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1981 | Dodge | Aries | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1981 | Plymouth | Reliant | 2.6L | L4 | N/A | SoundFX Direct Fit | ||
| 1981 | Plymouth | Reliant | 2.2L | L4 | N/A | SoundFX Direct Fit | ||
| 1974 | Dodge | Challenger | 5.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1973 | Dodge | Challenger | 5.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1972 | Dodge | Challenger | 5.2L | V8 | N/A | SoundFX Direct Fit | ||
| 1972 | Dodge | Challenger | 3.7L | L6 | N/A | SoundFX Direct Fit | ||
| 1971 | Dodge | Challenger | 3.2L | L6 | N/A | SoundFX Direct Fit | ||
| 1971 | Dodge | Challenger | 3.7L | L6 | N/A | SoundFX Direct Fit | ||
| 1971 | Dodge | Challenger | Base | 5.2L | V8 | N/A | SoundFX Direct Fit | |
| 1970 | Dodge | Challenger | 3.2L | L6 | N/A | SoundFX Direct Fit | ||
| 1970 | Dodge | Challenger | 3.7L | L6 | N/A | SoundFX Direct Fit | ||
| 1970 | Dodge | Challenger | Base | 5.2L | V8 | N/A | 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.