K&N Air Filter For Carbureted Harley Big Twin Evo The original High-Flow Air Filter invented by K&N delivers improved performance and excellent protection for the life of the bike! Features: The original High-Flow Air Filter invented by K&N A perfect upgrade for 2-up rides on your V-Twin motorcycle with filled saddle bags, a long life High-Flow Air Filter delivers improved performance and excellent protection for the life of your motorcycle Delivers improved performance and excellent protection for the life of the bike Provides low restriction for increased airflow Includes a large filtration area that delivers high capacity and long service intervals, provided by pleated media Years of protection without corrosion provided by durable Zinc coated top plates Specifically designed to fit OE air filter assembly Pre-oiled and ready for immediate use Washable and reusable Replaces OEM 29259-91A