Orange Cycle Parts Two Stage Air Filter for Kawaski KLR650 1987-2016, KLX650C 1993-1997 MX NU-2378ST by UNI FILTER UNI Two Stage Air Filter NU-2378ST For Kawasaki KLR 650 1987-2016 and Kawasaki KLX 650 C 1993-1997 Unsurpassed in airflow, dirt stopping and overall performance. Features the Ultra Seal grease groove on the sealing surface. Two-stage air filters come apart for maximum airflow and ultimate cleaning. Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely Each fits in stock air box exactly like OEM filter