1996-2009 Kawasaki EN500 Vulcan LTD 500 Unique Air Filter (KNNKA-5096)Breathe easy and boost performance with the Universal 1996 2009 Kawasaki EN500 Vulcan LTD 500 Unique Air Filter from K&N. This high flow replacement air filter is designed to increase horsepower and acceleration while providing outstanding filtration. Unlike disposable paper filters, K&N filters are washable and reusable so you buy once and never worry about replacements again. Features High flow design for increased airflow and performance