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Walker 54918 Exhaust Muffler Assembly
| Brand | Walker 54918 |
|---|---|
| Finish | Natural |
| Body Diameter | 9.25 |
| Inlet Type | Pipe connection |
| Outlet Type | Tip |
| Inlet Inside Diameter | 2 |
| Body Height | 4.75 |
| Body Length | 23 |
| Muffler Material | Stainless steel |
| Muffler Shape | Oval |
| Overall Length | 40.75 |
| Body Material | Stainless steel |
| Body Width | 9.25 |
| Grade Type | Regular |
| Inlet 1 Inside Diameter | 2 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Quantity | 1 |
| Muffler Type | Reflection |
| Outlet 1 Outside Diameter | 2 |
| Outlet 1 Type | Tip |
| Outlet Configuration | Offset |
| Outlet Quantity | 1 |
| Shape | Oval |
| Product line | Quiet-Flow SS |
| Fits | Chevrolet · 5 vehicles |
Direct-fit OE-style replacement. Installs as a straightforward muffler assembly.
Stainless-steel construction. Helps deliver longer life than typical aluminized mufflers.
Reflection muffler design. Helps tune exhaust flow for a quieter, refined sound.
Cross-references 94800915 for the same application. See all 1.
Walker Quiet-Flow SS Muffler Assembly
Walker Quiet-Flow SS Part Number 54918 is a direct-fit exhaust muffler assembly built for the 2012-2016 Chevrolet Sonic. It uses stainless steel construction and an OE-style layout to replace the factory muffler with a fitment-focused solution for everyday driving.
The Quiet-Flow SS product line is Walker’s stainless-steel muffler assembly range for domestic and foreign vehicles. It is positioned for drivers who want a direct replacement that follows original exhaust routing and uses corrosion-resistant materials for longer service life than typical aluminized mufflers.
- Stainless steel body and muffler construction
- Oval muffler shape with natural finish
- Offset inlet and offset outlet configuration
- Pipe connection inlet with tip-style outlet
- Reflection-type muffler design
- Direct-fit OE-style replacement for the Chevrolet Sonic
Fitment Details
Compatible with 2012-2016 Chevrolet Sonic, N/A. This part number 54918 is listed for the Sonic application and is a direct replacement for the specified exhaust setup.
Walker 54918 is built around a 2-inch inlet inside diameter and a 2-inch outlet outside diameter, with an overall length of 40.75 inches. The oval body measures 9.25 inches wide, 4.75 inches high, and 23 inches long, supporting an OE-style exhaust layout that matches the vehicle’s original routing. This part cross-references 94800915 for the same application.
Common Exhaust Issues It Can Address
- Rust damage in the original muffler assembly
- Exhaust noise from a worn or leaking muffler
- Fitment problems after replacing a damaged factory unit
- Corrosion-related failure in a standard aluminized muffler
- Restoring the factory-style exhaust path on a Chevrolet Sonic
Installation Notes
Verify inlet and outlet orientation, overall length, and body dimensions before installation. Because this is a direct-fit muffler assembly, confirm the vehicle’s exhaust configuration matches the listed offset inlet and offset outlet layout. If the original assembly was welded in place, replace all required related exhaust components as needed for a proper repair.
Quality Assurance
Walker Quiet-Flow SS muffler assemblies use stainless steel construction for improved durability compared with typical aluminized mufflers. Part 54918 is listed with premium application coverage for the 2012-2016 Chevrolet Sonic.
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Sonic | Sedan | 1.8L | L4 | FLEX | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2015 | Chevrolet | Sonic | Sedan | 1.8L | L4 | FLEX | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2014 | Chevrolet | Sonic | Sedan | 1.8L | L4 | FLEX | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2013 | Chevrolet | Sonic | Sedan | 1.8L | L4 | FLEX | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2012 | Chevrolet | Sonic | Sedan | 1.8L | L4 | FLEX | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
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