Used 99-04 Honda TRX400EX TRX 400 EX K&N VELOCITY INTAKE SYSTEM AIR FILTER ASSEMBLY. Removed from a 2003 Honda TRX400EX. Includes all components shown in the pictures. May be compatible with various years and models—please confirm fitment. Test thoroughly before use and ensure proper installation following manufacturer specifications or consult a qualified power-sports technician for professional installation.