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Walker 55273 Exhaust Resonator and Pipe Assembly
Overview of Walker Exhaust Resonator and Pipe Assembly 55273
The Walker 55273 Exhaust Resonator and Pipe Assembly is designed to provide reliable exhaust flow and noise reduction for select GM vehicles. Engineered with aluminized steel, this assembly offers durability and corrosion resistance for vehicles like the Buick Terraza and Chevrolet Uplander.
- Inlet and outlet outside diameter: 2.25 inches
- Muffler body length: 15 inches with a round shape
- Overall length of 53.5 inches for precise fitment
- Constructed from aluminized steel for enhanced corrosion resistance
- Single inlet pipe connection and single outlet spout for straightforward installation
Detailed Product Description
This exhaust resonator and pipe assembly from Walker features a 15-inch long round muffler body with a 5-inch height and width, providing effective sound attenuation and exhaust flow management. The 2.25-inch inlet and outlet diameters ensure compatibility with the exhaust systems of Buick Montana, Chevrolet Relay, Oldsmobile Silhouette, Pontiac Montana, and Saturn Relay models. The aluminized steel construction offers a balance of strength and resistance to rust, extending the service life of the exhaust system. The single inlet pipe connection and outlet spout design simplify installation and replacement processes.
Compatible Vehicles and Applications
- Buick Montana and Terraza
- Chevrolet Relay and Uplander
- Oldsmobile Silhouette
- Pontiac Montana
- Saturn Relay
This part is specifically designed to replace the exhaust resonator and pipe assembly in these GM minivan and crossover models, ensuring proper exhaust flow and noise control.
Common Issues Addressed by Walker 55273
- Excessive exhaust noise due to damaged or worn resonator
- Corrosion or rust in the exhaust pipe assembly
- Exhaust leaks causing reduced engine performance
- Failed emissions tests related to exhaust system integrity
- Vibration or rattling noises from loose or broken exhaust components
Installation Notes and Tips
- Verify inlet and outlet diameters (2.25 inches) match your vehicle’s exhaust system
- Inspect mounting points and hangers for wear before installation
- Use proper exhaust clamps or welding techniques for secure fitment
- Ensure the overall length of 53.5 inches fits within the existing exhaust layout
- Consult vehicle service manual for torque specifications and safety precautions
Quality Assurance and Warranty
Walker exhaust components are manufactured to meet or exceed OEM specifications, using aluminized steel for corrosion resistance and durability. While specific warranty details for part number 55273 may vary, Walker typically offers limited warranties covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.
| Brand | Walker |
|---|---|
| Part Number | 55273 |
| Body 1 Height | 5 |
| Body 1 Length | 15 |
| Body 1 Shape | Round |
| Body 1 Width | 5 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet Outside Diameter | 2.25 |
| Inlet Type | Pipe Connection |
| Muffler Body Length | 15 |
| Outlet Outside Diameter | 2.25 |
| Outlet Type | Spout |
| Overall Length | 53.5 |
| Pipe Material | Steel |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2009 | Pontiac | Montana | 3.9L | V6 | 121.1" | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2008 | Chevrolet | Uplander | 3.9L | V6 | 121.1" | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2008 | Pontiac | Montana | 3.9L | V6 | 121.1" | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2007 | Buick | Terraza | 3.9L | V6 | N/A | without Sport Package; If welded assembly, replace all required parts | |||
| 2007 | Chevrolet | Uplander | 3.9L | V6 | 121.1" | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2007 | Pontiac | Montana | 3.9L | V6 | 121.1" | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2007 | Saturn | Relay | 3.9L | V6 | N/A | If welded assembly, replace all required parts | |||
| 2006 | Buick | Terraza | AWD | 3.5L | V6 | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2006 | Chevrolet | Uplander | 3.5L | V6 | 121.1" | N/A | |||
| 2006 | Pontiac | Montana | 3.5L | V6 | N/A | without Sport Package; If welded assembly, replace all required parts | |||
| 2006 | Saturn | Relay | AWD | 3.5L | V6 | N/A | If welded assembly, replace all required parts | ||
| 2005 | Buick | Terraza | AWD | 3.5L | V6 | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2005 | Chevrolet | Uplander | 3.5L | V6 | 121.1" | N/A | |||
| 2005 | Pontiac | Montana | Base | FWD | 3.4L | V6 | N/A | without Sport Package; If welded assembly, replace all required parts | |
| 2005 | Pontiac | Montana | SV6 | 3.5L | V6 | N/A | without Sport Package; If welded assembly, replace all required parts | ||
| 2005 | Saturn | Relay | AWD | 3.5L | V6 | N/A | If welded assembly, replace all required parts | ||
| 2004 | Oldsmobile | Silhouette | FWD | 3.4L | V6 | N/A | If welded assembly, replace all required parts | ||
| 2004 | Pontiac | Montana | FWD | 3.4L | V6 | 120.0" | N/A | without Sport Package; If welded assembly, replace all required parts | |
| 2003 | Oldsmobile | Silhouette | FWD | 3.4L | V6 | N/A | If welded assembly, replace all required parts | ||
| 2003 | Pontiac | Montana | FWD | 3.4L | V6 | 120.0" | N/A | without Sport Package; If welded assembly, replace all required parts | |
| 2002 | Oldsmobile | Silhouette | FWD | 3.4L | V6 | N/A | If welded assembly, replace all required parts | ||
| 2002 | Pontiac | Montana | FWD | 3.4L | V6 | 120.0" | N/A | without Sport Package; If welded assembly, replace all required parts |
* 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.