RO-4000-7 RO-series universal air filter round rubber top

For custom builds that require a longer filter profile, this DNA RO-series universal air filter offers excellent filtration and airflow. It features a 40mm internal diameter and a 16mm flange for universal fitment. The filter is finished with a durable rubber top and has a total length of 90mm, providing a large surface area for air intake. The outside diameter tapers from 67mm at the base to 51mm at the top. DNA's advanced filtration media is designed to optimize engine performance by reducing intake restriction while keeping out debris. This round air cleaner element is sold individually and is a washable, reusable part that is built to withstand the demands of high-performance riding and custom applications.