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Walker 21222 Exhaust Resonator and Pipe Assembly
| Brand | Walker 21222 |
|---|---|
| Body 1 Height | 4 |
| Body 1 Length | 24.25 |
| Body 1 Shape | Round |
| Body 1 Width | 4 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet Type | 2 Bolt Welded Flange |
| Muffler Body Length | 24.25 |
| Outlet Inside Diameter | 2.25 |
| Outlet Type | Pipe Connection |
| Overall Length | 31.25 |
| Pipe Material | Steel |
| Fits | Buick · 7 vehicles |
OE-style sound. Precise tuning helps deliver the original system's tone and flow.
Steel construction. Aluminized finish helps resist corrosion for longer service life.
Resonator and pipe assembly. A direct-fit exhaust component for restoring proper exhaust function.
Cross-references Cardone Reman 21-237 for the same application. See all 1.
Walker 21222 Exhaust Resonator and Pipe Assembly
Walker 21222 is an exhaust resonator and pipe assembly built for OE-style fit, flow, and sound control. It is engineered for the 2011-2017 Buick Regal with dual exhaust, making it a direct-match option for drivers replacing a worn resonator section on a Buick Regal exhaust system.
- Steel pipe construction for exhaust system durability
- Aluminized finish for added corrosion resistance
- Round steel body with 4 in. height, 4 in. width, and 24.25 in. body length
- 31.25 in. overall length for application-specific fitment
- 1 inlet with 2-bolt welded flange connection
- 1 outlet with 2.25 in. inside diameter pipe connection
- OE-style tuning to maintain original exhaust sound characteristics
Fitment Details
Fits 2011-2017 Buick Regal, N/A, with Dual Exhaust; If welded assembly, replace all required parts.
This part cross-references Cardone Reman 21-237 for the same application.
Product Overview
Walker 21222 is designed for drivers who need a replacement resonator and pipe assembly that matches the original system layout on the Buick Regal. The steel body and pipe, aluminized finish, and tuned resonator design support proper exhaust routing while helping preserve factory-like sound quality. For Buick Regal exhaust repair work, this Walker resonator assembly provides the dimensions and connection style needed for a direct-fit replacement on the specified dual-exhaust vehicles.
Common Repair Uses
- Replacing a rusted or damaged resonator section
- Restoring exhaust tone after a failed factory resonator
- Repairing a leaking welded exhaust assembly
- Addressing exhaust noise from a cracked pipe or flange area
- Returning a Buick Regal exhaust system to original routing and sound profile
Installation Notes
Verify the vehicle is a 2011-2017 Buick Regal with dual exhaust before installation. The inlet uses a 2-bolt welded flange and the outlet uses a pipe connection with a 2.25 in. inside diameter. If the original assembly is welded in place, replace all required related parts during service to complete the repair correctly.
Quality Assurance
Walker states this resonator is tuned to fit, perform, and sound like the original system, using precise tuning methods to support OE-style flow characteristics and exhaust note.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Buick | Regal | 2.4L | L4 | N/A | with Dual Exhaust; If welded assembly, replace all required parts |
| 2016 | Buick | Regal | 2.4L | L4 | N/A | with Dual Exhaust; If welded assembly, replace all required parts |
| 2015 | Buick | Regal | 2.4L | L4 | N/A | with Dual Exhaust; If welded assembly, replace all required parts |
| 2014 | Buick | Regal | 2.4L | L4 | N/A | with Dual Exhaust; If welded assembly, replace all required parts |
| 2013 | Buick | Regal | 2.4L | L4 | N/A | with Dual Exhaust; If welded assembly, replace all required parts |
| 2012 | Buick | Regal | 2.4L | L4 | N/A | with Dual Exhaust; If welded assembly, replace all required parts |
| 2011 | Buick | Regal | 2.4L | L4 | N/A | with Dual Exhaust; If welded assembly, replace all required parts |
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