Product Description
The Walker SoundFX® 18944 direct-fit muffler provides OE-style performance, tone, and durability, featuring 100% aluminized steel construction for longer service life than standard low-carbon steel. Built with mechanically joined tubes, internal partitions, and spun-locked heads, this muffler is designed to expand and contract with heat cycles without distortion.
Louvered tubes deliver factory-style sound control, while the direct-fit design ensures easy installation without the need for welding or custom fabrication. A reliable replacement option for Jeep Liberty models, this muffler offers durability, fitment accuracy, and long-term performance.
Key Features
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Corrosion-Resistant Aluminized Steel for extended durability
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Direct-Fit Design – OE-style hangers and pipe routing
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Improved Durability – Mechanically joined tubes and internal partitions
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Factory-Style Sound Quality – Louvered exhaust flow controls
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Engineered for Long Service Life – Built and tested for dependable performance
Technical Specifications
| Specification |
Detail |
| Shape |
Oval |
| Finish |
Aluminized |
| Inlet Type |
2 Bolt Welded Flange |
| Outlet Type |
Pipe Connection |
| Body Height |
5.500 in |
| Body Length |
25.000 in |
| Body Width |
11.000 in |
| Overall Length |
30.125 in |
| Inlet Location |
Center |
| Inlet Quantity |
1 |
| Outlet Inside Diameter |
2.250 in |
| Outlet Quantity |
1 |
| Body Material |
Steel |
| Hanger Included |
No |
| Reversible |
No |
| Fitment |
Specific |
| Grade Type |
Premium |
Vehicle Compatibility
Jeep
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Liberty (2005–2006)
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Liberty (2002–2007)
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Liberty (2002–2005)
Installation & Notes
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Direct-fit installation using the factory flange; no welding required
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No hanger included – reuse OE hanger brackets or replace if worn
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Not reversible – must be installed in correct flow direction
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Check flange gasket before installation; replace if damaged
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Ensure proper clearance around heat shields and suspension components
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Professional installation recommended for optimal sealing and alignment
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Designed to work with factory catalytic converter and tailpipe assembly