The K&N X-Stream top assembly expands filter area and redirects airflow to draw more air through the side pleats, improving filtration efficiency and offering longer service intervals. It’s a cleanable, reusable air filter top designed to enhance airflow performance for universal applications requiring a 5.125 in. flange. Constructed to deliver better protection and easier maintenance while increasing usable filter surface area.
K&N X-Stream Top Assembly 5.125in Flange ID / 14inx3.75in H / 1.25in Drop B