The K&N drop-in high-flow air filter for Mazda applications (Mazda3 2003–2010, Mazda5 2005–2010 and Mazdaspeed3 2007–2009) is a washable, reusable replacement that improves airflow while capturing contaminants. Its layered, oiled cotton media is engineered to increase airflow and can boost horsepower; the filter is reusable and covered by K&N's No-Hassle Lifetime Limited Warranty.
K&N 07-08 Mazdaspeed3 / 03-07 Mazda3 / 05-08 Mazda5 Drop In Air Filter