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The K&N Drop-In High-Flow air filter for Subaru Impreza (1998–2005), Legacy (1998–2004) and Outback (2000–2004) applications installs into the factory air box as a direct replacement. Its layered, oiled cotton media is washable and reusable to improve airflow and trap contaminants. Covered by K&N's No‑Hassle Lifetime Limited Warranty, it also helps reduce disposable filter waste.
K&N 05 WRX / 99-06 Impreza / 99-04 Legacy Drop In Air Filter
