K&N X-Stream Airflow Air Cleaner Assembly 4-1/2” with 5-1/8” Flange

Replace your factory filter lid while gaining top area filtration using this 4-1/2” tall air cleaner assembly by K&N (66-3150). This assembly’s X-Stream design redirects airflow inside the filter, allowing it to pull in more air from the side pleats. In doing so, it refines performance so you can enjoy extra horsepower. It’s accompanied by a red, cotton gauze air filter element, which is washable and reusable for lasting operation.

Features and Benefits:
- 4-1/2” tall, round air cleaner assembly
- Adds top area filtration
- Pulls in more air through side pleats
- Increases horsepower
- Red, cotton gauze air filter element
- Filter element is washable & reusable
- Top is black powder-coated
- Includes mounting hardware

Specifications:
- Neck flange/inlet diameter: 5-1/8” (130mm)
- Overall height: 4-1/2” (114mm)
- Air filter height: 2-7/8” (73mm)
- Air filter inside diameter: 8” (203mm)

Tech Tip: Whenever the filter element needs to be replaced, you can find a replacement under K&N P/N: E-3530.