Replacement Air Filter for Aircharger® Intake System. Designed to increase horsepower and acceleration as well as improve overall engine performance. K&N® High-Flow cotton air filter provides outstanding performance and protection. Washable, reusable, pre-oiled and ready to ride. We will accept your request at our earliest opportunity. This includes Republic Of Ireland. Please do not ask us to lower the value of goods this is illegal and we do not want to get involved in this kind of activity.