K&N Air Filter For Harley Twin Cam K&N invented the original high-flow air filter. So why trust your motorcycle's performance to anything but K&N K&N's High-Performance Replacement Air Filter is the perfect upgrade for 2-up rides on your V-Twin motorcycle, delivering improved performance and excellent protection for your investment. The large filtration area delivers high capacity and long service intervals, as well as low restriction for increased airflow. The zinc-plated top plates provide years of protection without corrosion, and they come pre-oiled and ready to use. Specifically designed to fit OE air filter assembly. 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 29461-99 / 29400042