K&N X-Stream Airflow Air Cleaner Assembly 3-7/8” Tall with 5-1/8” Flange

From a dark red color to being washable and reusable, the filter element in this assembly guarantees stylish operation (66-3000). At 3-7/8” tall, this air cleaner assembly is great for drivers looking to build a custom system with extra horsepower. To achieve this, airflow is guided inside the filter so the side pleats can draw in extra air. Add in the fact that it boasts top area filtration and it’s a powerhouse that’s great for any vehicle.  

Features and Benefits:
- 3-7/8” 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
- Includes mounting hardware

Specifications:
- Neck flange/inlet diameter: 5-1/8” (130mm)
- Overall height: 3-7/8” (98mm)
- Air filter height: 2.313” (59mm)
- Air filter inside diameter: 12” (305mm)

Tech Tip: Whenever the filter element needs to be replaced, you can find a replacement under K&N P/N: E-3740.