OE Quality
60-Day Returns

Walker 55685 Exhaust Resonator and Pipe Assembly
Overview of Walker 55685 Exhaust Resonator and Pipe Assembly
The Walker 55685 exhaust resonator and pipe assembly is designed specifically for Acura RDX models, providing a precise fit and reliable performance. Constructed from aluminized steel, this assembly offers durability and resistance to corrosion, ensuring long-lasting operation in your vehicle's exhaust system.
- Compatible with Acura RDX exhaust systems
- Overall length of 55.875 inches for exact fitment
- Oval-shaped muffler body measuring 17.5 inches in length
- Durable aluminized steel construction for corrosion resistance
- 3 bolt welded flange inlet and pipe connection outlet
- 2-inch outlet outside diameter for proper exhaust flow
Detailed Product Description
The Walker 55685 exhaust resonator and pipe assembly features a 17.5-inch long muffler body with an oval shape, measuring 6.5 inches in width and 5.375 inches in height. Made from aluminized steel, both the pipe and muffler body provide enhanced durability against rust and heat exposure. The assembly includes a single inlet with a 3 bolt welded flange and a single outlet with a pipe connection, designed to maintain optimal exhaust flow and reduce noise. With an overall length of 55.875 inches, this part is engineered to fit Acura RDX models precisely, ensuring proper alignment and function within the exhaust system.
Common Applications and Problem Solving
- Replaces damaged or corroded exhaust resonator and pipe assemblies on Acura RDX vehicles
- Reduces exhaust noise and vibration for smoother operation
- Restores proper exhaust flow to maintain engine performance
- Prevents exhaust leaks caused by rust or physical damage
- Helps maintain emissions compliance by ensuring exhaust integrity
Installation Notes and Tips
Installation of the Walker 55685 exhaust resonator and pipe assembly requires proper alignment of the 3 bolt welded flange inlet and pipe connection outlet. Ensure all mounting points are clean and free of rust before installation. It is recommended to use appropriate gaskets and hardware compatible with the Acura RDX exhaust system to secure the assembly. Professional installation is advised to guarantee correct fitment and optimal exhaust performance.
Quality Assurance and Warranty
Walker exhaust components are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The aluminized steel construction offers enhanced resistance to corrosion and heat. While specific warranty details for part number 55685 are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Walker |
| Part Number | 55685 |
| Outlet Outside Diameter | 2 |
| Muffler Body Length | 17.5 |
| Pipe Material | Steel |
| Overall Length | 55.875 |
| Body 1 Height | 5.375 |
| Body 1 Length | 17.5 |
| Body 1 Shape | Oval |
| Body 1 Width | 6.5 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet Quantity | 1 |
| Inlet Type | 3 bolt welded flange |
| Outlet Quantity | 1 |
| Outlet Type | Pipe connection |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Acura | RDX | 2.3L | L4 | N/A | If welded assembly, replace all required parts |
| 2011 | Acura | RDX | 2.3L | L4 | N/A | If welded assembly, replace all required parts |
| 2010 | Acura | RDX | 2.3L | L4 | N/A | If welded assembly, replace all required parts |
| 2009 | Acura | RDX | 2.3L | L4 | N/A | If welded assembly, replace all required parts |
| 2008 | Acura | RDX | 2.3L | L4 | N/A | If welded assembly, replace all required parts |
| 2007 | Acura | RDX | 2.3L | L4 | N/A | 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.