OE Quality
60-Day Returns

Walker 53373 Exhaust Muffler Assembly - Rear
Overview of Walker Quiet-Flow SS Exhaust Muffler Assembly
The Walker Quiet-Flow SS Exhaust Muffler Assembly, part number 53373, is designed specifically for Toyota Highlander models. This muffler assembly offers a durable stainless steel construction with an aluminized finish, engineered to provide reliable exhaust flow and noise reduction.
- Compatible with Toyota Highlander vehicles
- Stainless steel muffler and body for corrosion resistance
- Oval-shaped muffler with 11-inch body diameter and 16-inch body length
- 2-inch inlet and outlet diameters with offset 2 bolt welded flange inlet
- Aluminized finish for added durability
- Overall length of 26.5 inches for precise fitment
Detailed Product Description
The Walker Quiet-Flow SS 53373 exhaust muffler assembly features a combination muffler type with an oval shape, measuring 11 inches in diameter and 16 inches in body length. Constructed from stainless steel, both the muffler and body materials provide enhanced resistance to rust and corrosion, extending the service life of the component. The aluminized finish adds an extra layer of protection against environmental elements. The inlet and outlet both have a 2-inch outside diameter, with the inlet utilizing a 2 bolt welded flange and the outlet designed for pipe connection. The offset inlet and outlet configuration ensures proper alignment and fitment within the exhaust system of the Toyota Highlander. The overall length of 26.5 inches and body height of 5.5 inches make this muffler assembly a precise replacement part.
About the Quiet-Flow SS Product Line
The Quiet-Flow SS line by Walker is engineered to provide a balance of sound reduction and durability. This product line focuses on stainless steel construction to resist corrosion and maintain performance over time. The 53373 muffler assembly is part of this line, offering a combination muffler design that supports effective exhaust flow while minimizing noise, tailored for specific vehicle applications like the Toyota Highlander.
Common Applications and Problem Solving
- Replacement for worn or damaged mufflers on Toyota Highlander models
- Reduces exhaust noise and vibration for a quieter ride
- Prevents exhaust leaks caused by rust or corrosion
- Restores proper exhaust flow to maintain engine performance
- Addresses fitment issues with offset inlet and outlet configurations
Installation Notes and Tips
- Ensure compatibility with Toyota Highlander before installation
- Use proper tools to remove the existing muffler and flange bolts
- Check for exhaust system alignment due to offset inlet and outlet
- Apply anti-seize compound on bolts to facilitate future removal
- Verify all connections are secure to prevent leaks
Quality Assurance and Warranty
Walker exhaust components, including the Quiet-Flow SS 53373 muffler assembly, are manufactured to meet industry standards for durability and performance. The stainless steel construction and aluminized finish contribute to long-lasting corrosion resistance. Warranty coverage details should be confirmed with the manufacturer or authorized distributor.
| Brand | Walker |
| Part Number | 53373 |
| Position | Quiet-Flow SS, Rear |
| Body Diameter | 11 |
| Body Height | 5.5 |
| Body Length | 16 |
| Body Material | Stainless Steel |
| Body Width | 11 |
| Friction Material Thickness | Aluminized |
| Grade Type | Regular |
| Inlet 1 Outside Diameter | 2 |
| Inlet 1 Type | 2 Bolt Welded Flange |
| Inlet Configuration | Offset |
| Inlet Outside Diameter | 2 |
| Inlet Type | 2 Bolt Welded Flange |
| Muffler Material | Stainless Steel |
| Muffler Shape | Oval |
| Muffler Type | Combination |
| Outlet 1 Outside Diameter | 2 |
| Outlet 1 Type | Pipe Connection |
| Outlet Configuration | Offset |
| Outlet Type | Pipe Connection |
| Overall Length | 26.5 |
| Shape | Oval |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Toyota | Highlander | 3.0L | V6 | Rear | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2003 | Toyota | Highlander | 2.4L | L4 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2002 | Toyota | Highlander | 3.0L | V6 | Rear | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2002 | Toyota | Highlander | 2.4L | L4 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2001 | Toyota | Highlander | 3.0L | V6 | Rear | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2001 | Toyota | Highlander | 2.4L | L4 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
* 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.