K&N 14-19 Polaris RZR 1000 999CC Performance Intake KitThe KN 57 1133 cold air intake system replaces the factory air filter and air intake housing in many Polaris Ranger RZR models for a guaranteed increase in horsepower and torque. A free flowing aluminum intake tube helps increase the volume of airflow to your engine. The system is paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media, which is protected by a foam wrap and an enclosed filter housing for additional