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Walker 21570 Exhaust Muffler - Right
| Brand | Walker 21570 |
|---|---|
| Position | Right |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 1.875 |
| Body Width | 9 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 32.5 |
| Body Height | 7 |
| Body Length | 14 |
| Body Material | Stainless steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 1.875 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 1.625 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Outside Diameter | 2.25 |
| Outlet 1 Type | Tip |
| Outlet Configuration | Offset |
| Outlet Outside Diameter | 2.25 |
| Outlet Type | Tip |
| Product line | Quiet-Flow SS |
| Fits | Chevrolet · 10 vehicles |
100% stainless steel. Built for lasting corrosion resistance and durability.
Quiet-Flow SS design. Delivers superior flow with OE-style sound.
Precision fit. Specific-fit muffler for easier installation.
Cross-references Gates 2520 for the same application. See all 1.
Walker Quiet-Flow SS Muffler for Impala
Walker Quiet-Flow SS muffler Part Number 21570 is a direct-fit exhaust muffler built for specific applications, including 2006-2011 Chevrolet Impala, right side. It combines stainless-steel construction with OE-style sound control and a precision fit for a clean replacement on the rear exhaust system.
Key Features
- Specific-fit exhaust muffler for 2006-2011 Chevrolet Impala, right
- 100% stainless-steel body construction for corrosion resistance
- Oval muffler shape with a combination muffler design
- Offset inlet and offset outlet configuration
- 1.875 in. inlet inside diameter and 2.25 in. outlet outside diameter
- Overall length: 32.5 in.; body dimensions: 14 in. long, 9 in. wide, 7 in. high
- Aluminized finish
Product Details
Walker Quiet-Flow SS is the brand’s stainless-steel muffler line focused on direct replacement fitment, controlled exhaust tone, and consistent flow characteristics. This Walker 21570 muffler is built for the Chevrolet Impala platform and uses a pipe-connection inlet with a tip-style outlet to match the original exhaust layout on the right side. The offset inlet and outlet configuration helps align with the factory routing, while the stainless-steel body supports long-term durability in everyday driving conditions.
This part cross-references Gates 2520 for the same application.
What This Muffler Helps Address
- Exhaust noise that has become louder than factory levels
- Rust-related muffler deterioration on the original unit
- Restricted exhaust flow from a worn or damaged muffler
- Fitment issues when replacing a factory-style right-side muffler
- Need for an OE-style sound profile on a Chevrolet Impala exhaust repair
Installation Notes and Tips
Fits 2006-2011 Chevrolet Impala, right. Verify inlet and outlet diameters, offset orientation, and overall length against the vehicle’s existing exhaust layout before installation. If the original system uses welded assemblies, inspect the surrounding exhaust components and replace all required parts to restore proper alignment and sealing. Professional exhaust installation is recommended for best fit and finish.
Quality Assurance
Walker Quiet-Flow SS mufflers are positioned as stainless-steel replacement parts with precision fit and OE-style sound characteristics. For this application, the fitment data also notes Premium and Limited Lifetime Warranty coverage.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Chevrolet | Impala | 3.9L | V6 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2010 | Chevrolet | Impala | 3.9L | V6 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2009 | Chevrolet | Impala | 3.9L | V6 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2009 | Chevrolet | Impala | 5.3L | V8 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2008 | Chevrolet | Impala | 3.9L | V6 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2008 | Chevrolet | Impala | 5.3L | V8 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2007 | Chevrolet | Impala | 3.9L | V6 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2007 | Chevrolet | Impala | 5.3L | V8 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Chevrolet | Impala | 3.9L | V6 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Chevrolet | Impala | 5.3L | V8 | Right | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
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