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Walker 56154 Exhaust Resonator and Pipe Assembly
| Brand | Walker 56154 |
|---|---|
| Body 1 Height | 4 |
| Body 1 Length | 14 |
| Body 1 Shape | Round |
| Body 1 Width | 4 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet Type | 2 Bolt Welded Flange |
| Muffler Body Length | 14 |
| Outlet Outside Diameter | 1.75 |
| Outlet Type | Pipe Connection |
| Overall Length | 71.5 |
| Pipe Material | Steel |
| Fits | Chevrolet and Pontiac · 14 vehicles |
OE-style sound. Precise tuning helps deliver the original system's tone and flow.
Steel construction. Aluminized finish helps resist corrosion for lasting performance.
Pipe assembly. Exhaust resonator and pipe design supports smooth exhaust flow.
Cross-references AP Exhaust 68467 for the same application. See all 1.
Walker 56154 Exhaust Resonator and Pipe Assembly
Walker 56154 is an exhaust resonator and pipe assembly built to match original-system fit, sound, and flow characteristics. It is designed for direct replacement service on select Chevrolet and Pontiac applications, including Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, and Pontiac Pursuit.
- Aluminized steel construction for corrosion resistance
- Steel pipe and steel body for OE-style durability
- Round resonator body with 14-inch body length
- Overall length: 71.5 inches
- 1.75-inch outlet outside diameter
- 2-bolt welded flange inlet for secure exhaust connection
- 1 inlet and 1 outlet configuration
- Walker part number 56154 for direct catalog lookup
OE-Style Fit and Sound
This Walker resonator and pipe assembly uses precise tuning to support smooth exhaust flow and an OE-style sound profile. It is a practical replacement for worn or damaged resonator sections on 2005-2010 Chevrolet Cobalt, 2006-2010 Chevrolet HHR, 2007 Pontiac G5, and 2006 Pontiac Pursuit. Walker 56154 is also listed for 2011 Chevrolet HHR, making it a fitment-based option for drivers searching for a Chevrolet HHR resonator pipe assembly or a Chevrolet Cobalt exhaust resonator replacement.
This part cross-references AP Exhaust 68467 for the same application.
Common Repair Uses
- Restores a damaged or rusted resonator and pipe section
- Addresses exhaust noise caused by a failing resonator assembly
- Replaces a leaking flange or pipe connection in the exhaust path
- Supports proper exhaust flow after corrosion-related pipe damage
- Helps return the exhaust note to an OE-style sound level
Installation Notes and Tips
Verify vehicle year, make, and model before ordering. Fitment includes 2011 Chevrolet HHR; 2005-2010 Chevrolet Cobalt; 2006-2010 Chevrolet HHR; 2007 Pontiac G5; and 2006 Pontiac Pursuit. If the original system is a welded assembly, replace all required parts during service to ensure proper alignment and sealing. Confirm the 2-bolt welded flange inlet and 1.75-inch outlet outside diameter match the existing exhaust connection points before installation.
Quality Assurance
Walker designs this resonator assembly to fit, perform, and sound like the original system. The tuned construction and OE-style materials support consistent replacement quality for Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, and Pontiac Pursuit exhaust repairs. Walker 56154 is built as a direct-fit exhaust resonator and pipe assembly for catalog-matched service applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Chevrolet | HHR | 2.2L | L4 | N/A | — |
| 2010 | Chevrolet | Cobalt | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2010 | Chevrolet | HHR | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2009 | Chevrolet | Cobalt | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2009 | Chevrolet | HHR | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2008 | Chevrolet | Cobalt | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2008 | Chevrolet | HHR | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2007 | Chevrolet | Cobalt | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2007 | Chevrolet | HHR | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2007 | Pontiac | G5 | 2.2L | L4 | N/A | — |
| 2006 | Chevrolet | Cobalt | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2006 | Chevrolet | HHR | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2006 | Pontiac | Pursuit | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
| 2005 | Chevrolet | Cobalt | 2.2L | L4 | N/A | If welded assembly, replace all required parts |
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