Product Description
The Walker SoundFX® 18366 muffler is engineered as a direct-fit replacement for small-displacement Chevrolet, Geo, and Suzuki models. This aluminized steel muffler provides dependable corrosion resistance, factory-style sound, and long-lasting performance. With mechanically joined tubes, louvered internal designs, and OE-style hangers included, this unit ensures easy installation and reliable exhaust flow.
Key Features
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100% Aluminized Steel for improved durability and corrosion resistance
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Direct-Fit Replacement with OE-style hangers and pipe routings
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Louvered Tubes for factory-like sound quality
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Spun-Locked Heads & Reinforced Internals for stability and longevity
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Engineered Drainage System to minimize moisture buildup
Technical Specifications
| Specification |
Detail |
| Shape |
Oval |
| Finish |
Aluminized |
| Outlet Location |
Offset |
| Inlet Type |
Pipe Connection |
| Outlet Type |
Tip |
| Inlet Inside Diameter |
1.500 in |
| Body Height |
4.250 in |
| Body Length |
11.000 in |
| Body Width |
8.813 in |
| Overall Length |
14.500 in |
| Inlet Location |
Center |
| Inlet Quantity |
1 |
| Outlet Outside Diameter |
1.500 in |
| Outlet Quantity |
1 |
| Material |
Steel |
| Hanger Included |
Yes |
| Reversible |
No |
| Tunable |
No |
| Fitment |
Specific |
| Grade Type |
Premium |
OE Cross References
(Not provided for this part)
Vehicle Compatibility
Chevrolet
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Metro (1998–2000)
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1.3L L4 1295cc/79cid
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1.0L L3 993cc/61cid
Geo
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Metro (1995–1997)
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1.3L L4 1295cc/79cid
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1.0L L3 993cc/61cid
Suzuki
Installation & Notes
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Direct bolt-on installation with included hanger
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Designed to match factory pipe routing on compatible Metro/Swift vehicles
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No welding required when used with OEM-style pipes
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Check & replace gaskets, clamps, and rubber isolators if worn
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Ensure proper alignment before tightening all fasteners
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Ideal for restoring factory-level exhaust tone and performance