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K&N E-9289 replacement round tapered air filter is a washable, reusable element designed to increase airflow and protect engines by reducing restriction while capturing contaminants. Manufactured to replace the filter in the 57S-4000 performance air box, it comes with a K&N embossed lid cap and is serviceable for long life. The washable media allows repeated reuse and sustained airflow improvements over disposable filters.
K&N Replacement Air Filter - Round Tapered - Universal 5.75in Base OD x 5.938in Top OD x 7.688in H
