K&N Engineering 57-3021-1 KN 57 FIPK Air Intake 50 casual-wear-casual-accessories Optional multiple-mount protector includes three

Optional multiple-mount protector includes three different brackets

2003-2022 Yamaha YZ250F

The wide-mouth cap is compatible with many popular water filters

designed to trap the air molecules between you and the elements

1999-2001 Yamaha XVZ1300AL Royal Star Boulevard

K&N Engineering 57-3021-1 KN 57 FIPK Air Intake 50 casual-wear-casual-accessories Optional multiple-mount protector includes threeA high density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect