The K&N drop-in High-Flow air filter is a washable, reusable replacement for the factory airbox that uses layered, oiled cotton media to improve airflow while capturing contaminants. It’s designed to install easily as a direct-replacement filter and can deliver increased horsepower. The filter is backed by K&N’s No‑Hassle Lifetime Limited Warranty and lists direct fitment for Scion xA/xB 2003–2007, Toyota Echo 2000–2005 and Yaris 1999–2004.
K&N xA / xB Drop In Air Filter