PRODUCT DESCRIPTION
The Walker® SoundFX® Direct-Fit Muffler (18341) is engineered to deliver long-lasting performance with a factory-style sound profile. Built from aluminized steel for increased corrosion resistance, this muffler is designed as a direct-fit replacement for select Jeep Wrangler models. Internal louvered tubes help reduce radiated noise, while mechanically joined components resist distortion caused by temperature fluctuations. With OE-style routing and mounting points, installation is straightforward without the need for welding or fabrication.
FEATURES
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RESISTS CORROSION – Aluminized steel construction with internal drainage to reduce rust formation.
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BUILT TO LAST – Mechanically joined tubes and internal partitions handle thermal expansion; spun-locked heads increase durability.
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EASY TO INSTALL – Direct-fit bolt-on design with OE-style hangers, brackets, and routing.
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FACTORY SOUND QUALITY – Louvered tube design minimizes noise for OE-style acoustics.
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EXTENDED SERVICE LIFE – Designed and tested to provide long-lasting performance under demanding driving conditions.
VEHICLE FITMENT
| Make |
Model |
Year Range |
Description |
Position |
Drive |
Qty |
Engine |
| Jeep |
Wrangler |
1991–1992 |
Exhaust Muffler |
— |
— |
1 |
4.0L L6 242cid |
| Jeep |
Wrangler |
1987–1992 |
Exhaust Muffler |
— |
— |
1 |
2.5L L4 150cid |
EXHAUST MUFFLER DIMENSIONS
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Shape: Oval
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Finish: Aluminized
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Outlet Location: Offset
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Inlet Type: Pipe Connection
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Outlet Type: Pipe Connection
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Inlet Inside Diameter: 2.250 in
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Body Height: 4.250 in
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Body Length: 17.000 in
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Body Width: 9.750 in
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Hanger Included: No
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Inlet Location: Offset
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Inlet Quantity: 1
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Body Material: Steel
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Outlet Inside Diameter: 2.250 in
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Outlet Quantity: 1
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Reversible: No
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Tunable: No
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Fitment: Specific
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Grade Type: Premium
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Overall Length: 20.500 in
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Inlet Offset: 0.625 in
INSTALLATION & NOTES
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Direct-fit replacement; no welding required.
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Verify inlet/outlet sizing and orientation before installation.
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Additional clamps or hardware may be needed depending on vehicle condition.
