The K&N High-Flow drop-in air filter for Lexus IS250/IS350 (2005–2009), GS350 (2007–2009) and GS430 (2006–2007) is a reusable, direct-fit replacement that improves airflow while protecting the engine and installs easily into the factory airbox. Layered, oiled cotton media is engineered to increase airflow and trap contaminants; the washable, reusable design is intended to last the vehicle lifespan and is covered by K&N's No-Hassle Lifetime Limited Warranty.
K&N Lexus IS 350 Drop In Air Filter