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The K&N drop-in High-Flow air filter for 2019–2020 Nissan Altima 2.5L installs into the factory air box as a direct replacement. Washable and reusable, its layered oiled cotton media is engineered to improve airflow while capturing contaminants and is claimed to provide increased horsepower. K&N covers these replacement filters with a long-term limited warranty and markets them for lifetime serviceability.
K&N 2019 Nissan Altima 2.5L F/I Drop In Replacement Air Filter
