/live/media/WK/WK_21221_Ang.jpg)
OE Quality
60-Day Returns
Walker 21221 Exhaust Muffler
Walker Quiet-Flow SS Muffler for Volt
Walker Quiet-Flow SS Part Number 21221 is a specific-fit exhaust muffler for the 2011-2015 Chevrolet Volt. It uses 100% stainless-steel construction, an oval body, and OE-style sound tuning to support a precise replacement on the Volt exhaust system.
Key Features
- Specific-fit exhaust muffler for 2011-2015 Chevrolet Volt
- 100% stainless-steel body for corrosion resistance
- Oval muffler design with premium-grade construction
- Offset inlet with pipe connection and center outlet location
- Inlet inside diameter: 1.750 in.; outlet outside diameter: 2.000 in.
- Body dimensions: 4.250 in. H x 16.000 in. L x 9.750 in. W
- Overall length: 28.250 in.
- Hanger included
- Angle-trimmed tailpipe outlet
Product Details
The Walker Quiet-Flow SS line is built around stainless-steel muffler bodies, precision fitment, and controlled exhaust tone. This Part Number 21221 muffler is shaped for the Chevrolet Volt platform and uses an offset inlet with a center outlet layout to match the vehicle’s exhaust routing. The angle-trimmed tailpipe outlet and OE-style sound profile make it a practical replacement when restoring exhaust function on a 2011-2015 Chevrolet Volt. This part cross-references 22854624 for the same application.
What It Helps Address
- Exhaust noise from a worn or damaged muffler
- Rust or corrosion in the muffler body
- Restricted exhaust flow caused by internal deterioration
- Fitment issues when replacing the original Chevrolet Volt muffler
- Loss of OE-style exhaust tone on the Volt
Installation Notes
Fits 2011-2015 Chevrolet Volt, N/A. Verify inlet and outlet dimensions, hanger location, and overall length against the original muffler before installation. Clamps are not included, so confirm the required connection method for your exhaust system. The specific-fit design and included hanger support a direct replacement approach on the Volt platform.
Quality Assurance
Walker Quiet-Flow SS mufflers are built with stainless-steel construction and precision fitment standards for domestic and import vehicle applications. Part Number 21221 is engineered for consistent exhaust routing and OE-style sound control on the Chevrolet Volt.
| Brand | Walker |
|---|---|
| Part Number | 21221 |
| Position | Quiet-Flow SS |
| Outlet Outside Diameter | 2.000 |
| Clamps Included | No |
| Outlet Location | Center |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Premium |
| Inlet Type | Pipe connection |
| Outlet Type | Angle-trimmed tailpipe |
| Inlet Inside Diameter | 1.750 |
| Body Height | 4.250 |
| Body Length | 16.000 |
| Body Width | 9.750 |
| Hanger Included | Yes |
| Inlet Location | Offset |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| Reversible | No |
| Overall Length | 28.250 |
| 9876 | Angle trim |
| Inlet Offset | Yes |
| Outlet Offset | No |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Chevrolet | Volt | 1.4L | L4 | N/A | Quiet-Flow SS |
| 2014 | Chevrolet | Volt | 1.4L | L4 | N/A | Quiet-Flow SS |
| 2013 | Chevrolet | Volt | 1.4L | L4 | N/A | Quiet-Flow SS |
| 2012 | Chevrolet | Volt | 1.4L | L4 | N/A | Quiet-Flow SS |
| 2011 | Chevrolet | Volt | 1.4L | L4 | N/A | Quiet-Flow SS |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.