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Walker 54891 Exhaust Resonator and Pipe Assembly
Walker 54891 Exhaust Resonator Assembly
Walker 54891 is an exhaust resonator and pipe assembly built for OE-style fit, sound, and flow. It is engineered for the 2010-2015 Lexus RX350 and uses tuned resonator design to help maintain original exhaust character while supporting proper exhaust routing.
Key Features
- Part number 54891 exhaust resonator and pipe assembly
- Fits 2010-2015 Lexus RX350, N/A
- 2.25-inch inlet outside diameter and 2.25-inch outlet outside diameter
- 44.75-inch overall length with a 10-inch round resonator body
- Steel pipe and steel body construction
- Aluminized finish for added corrosion resistance
- Pipe connection inlet and spout outlet for direct exhaust system integration
Detailed Description
Walker 54891 is designed for drivers replacing a worn or damaged resonator assembly on a Lexus RX350. The aluminized steel construction and OE-style tuning help preserve factory-like exhaust tone and flow characteristics, making this part a practical choice for a 2010-2015 Lexus RX350 exhaust resonator replacement. The 2.25-inch inlet and outlet sizing, along with the 44.75-inch overall length, support proper alignment in the exhaust system. Part number 54891 is also cross-referenced to Monroe Shocks & Struts 172286 for the same application.
What It Helps Address
- Exhaust drone or unwanted resonance from a failing resonator
- Rust-through or corrosion in the resonator body or pipe
- Exhaust leaks caused by damaged welded sections
- Factory exhaust tone that has changed after wear or repair
- Fitment issues when replacing the resonator assembly on a Lexus RX350
Installation Notes and Tips
Fits 2010-2015 Lexus RX350, N/A. Verify inlet and outlet diameter, overall length, and routing before installation to confirm alignment with the existing exhaust system. If the welded assembly is being replaced, replace all required related parts during service to restore proper exhaust sealing and fit. Professional exhaust installation is recommended for best alignment and secure connection.
Quality Assurance
Walker designs this resonator to match original-system fit, performance, and sound characteristics using precise tuning methods for consistent exhaust flow and OE-style operation.
| Brand | Walker |
|---|---|
| Part Number | 54891 |
| Inlet Outside Diameter | 2.25 |
| Outlet Outside Diameter | 2.25 |
| Muffler Body Length | 10 |
| Pipe Material | Steel |
| Overall Length | 44.75 |
| Body 1 Height | 5 |
| Body 1 Length | 10 |
| Body 1 Shape | Round |
| Body 1 Width | 5 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet Quantity | 1 |
| Inlet Type | Pipe connection |
| Outlet Quantity | 1 |
| Outlet Type | Spout |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Lexus | RX350 | 3.5L | V6 | N/A | If welded assembly, replace all required parts |
| 2014 | Lexus | RX350 | 3.5L | V6 | N/A | If welded assembly, replace all required parts |
| 2013 | Lexus | RX350 | 3.5L | V6 | N/A | If welded assembly, replace all required parts |
| 2012 | Lexus | RX350 | 3.5L | V6 | N/A | If welded assembly, replace all required parts |
| 2011 | Lexus | RX350 | 3.5L | V6 | N/A | If welded assembly, replace all required parts |
| 2010 | Lexus | RX350 | 3.5L | V6 | 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.