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Walker 21747 Exhaust Muffler - Right
| Brand | Walker 21747 |
|---|---|
| Position | Right |
| Muffler Type | Reflection |
| Finish | Natural |
| Shape | Oval |
| Grade Type | Regular |
| Body Width | 9.5 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Overall Length | 33.5 |
| Body Height | 7.5 |
| Body Length | 14 |
| Body Material | Stainless steel |
| Inlet 1 Inside Diameter | 1.875 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Outlet 1 Outside Diameter | 2.25 |
| Outlet 1 Type | Tip |
| Outlet Configuration | Offset |
| Product line | Quiet-Flow SS |
| Fits | Chevrolet · 5 vehicles |
OE-style replacement. Direct-fit muffler assembly for easier installation.
Stainless steel construction. Helps deliver longer life than aluminized mufflers.
Reflection muffler type. Engineered for quieter exhaust flow.
Cross-references Carlson 15197 and Gates 2520 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker Quiet-Flow SS Muffler Assembly
Walker Quiet-Flow SS 21747 is a direct-fit exhaust muffler assembly built with stainless-steel construction for longer service life than typical aluminized mufflers. It is made for the right side of select Chevrolet Impala applications and follows an OE-style replacement format for straightforward exhaust service.
Compatible With 2012-2013 Chevrolet Impala, right, and 2014-2016 Chevrolet Impala Limited, right. The oval body, offset inlet and outlet, and reflection-style muffler design help match the original exhaust layout on these vehicles.
Key Features
- Walker Quiet-Flow SS product line for OE-style exhaust replacement
- Stainless steel body material for improved corrosion resistance
- Oval muffler shape with natural finish
- Reflection muffler type
- Single inlet and single outlet configuration
- Offset inlet and offset outlet layout
- Direct-fit design for the right-side exhaust position
- Part number 21747
Product Details
This muffler assembly is engineered for 2012-2013 Chevrolet Impala and 2014-2016 Chevrolet Impala Limited right-side applications. The stainless-steel body measures 14 inches in body length, 9.5 inches in body width, and 7.5 inches in body height, with an overall length of 33.5 inches. The inlet measures 1.875 inches inside diameter with a pipe connection, and the outlet is a 2.25-inch outside diameter tip. Walker 21747 is a practical OE-style replacement for drivers servicing the exhaust on a Chevrolet Impala or Chevrolet Impala Limited.
This part cross-references Carlson 15197 and Gates 2520 for the same application.
Common Issues It Can Address
- Rust or corrosion in the original muffler assembly
- Exhaust noise caused by a worn internal muffler structure
- Fitment problems from a damaged right-side muffler
- Replacement needs after exhaust system deterioration
- Restoring the original exhaust routing on select Impala models
Installation Notes
Verify the vehicle is a 2012-2013 Chevrolet Impala or 2014-2016 Chevrolet Impala Limited with right-side fitment before installation. Check inlet and outlet alignment, overall length, and body dimensions against the existing exhaust assembly. If the original system is welded, replace all required related parts during service to maintain proper fit and sealing.
Quality Assurance
Walker Quiet-Flow SS muffler assemblies use stainless-steel construction and OE-style direct-fit engineering to support longer service life than typical aluminized mufflers. Part number 21747 is part of Walker’s Quiet-Flow SS line for domestic and foreign vehicle applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Impala Limited | 3.6L | V6 | Right | Premium; Limited Lifetime Warranty; Except Partial Zero Emissions Vehicle; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2015 | Chevrolet | Impala Limited | 3.6L | V6 | Right | Premium; Limited Lifetime Warranty; Except Partial Zero Emissions Vehicle; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2014 | Chevrolet | Impala Limited | 3.6L | V6 | Right | Premium; Limited Lifetime Warranty; Except Partial Zero Emissions Vehicle; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2013 | Chevrolet | Impala | 3.6L | V6 | Right | Premium; Limited Lifetime Warranty; Except Partial Zero Emissions Vehicle; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2012 | Chevrolet | Impala | 3.6L | V6 | Right | Premium; Limited Lifetime Warranty; Except Partial Zero Emissions Vehicle; If welded assembly, replace all required parts; Quiet-Flow SS |
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