K&N Universal Rubber Filter KNRU-3570

Compact and efficient, this rubber-based K&N filter is made for custom builds where flexibility and durability are key. Perfect for boosted or naturally aspirated setups alike. ✓ Molded rubber flange for secure fit ✓ High-flow, long-lasting cotton filter element ✓ Clamp-on design for universal use ✓ Resilient in harsh engine bay conditions Ideal For: Cold air intakes, short-ram intakes, and universal retrofit applications.