The K& N exchange air cleaner 33-2417 is the optimal connection of engine haven technology (40% more air passage than conventional filters) and economy (out washable, re-usable). KN exchange air cleaners are built into the original air cleaner box and replaced thus the paper filter. The filter must be cleaned only if a strong dirt layer formed 2-3 mm on the filter material. With one in the normal traffic moved vehicle means this cleaning only all 80,000 to 160,000 km. The K& N air cleaner 33-2417 is usable in the following motor vehicle types: Manufacturer model type MCC Smart Smart Fortwo II 0.8CDi, Bj. starting from 03/07, 45/54 HP MCC Smart Smart Fortwo II 1.0i (inclusive Brabus), Bj. starting from 03/07, 61/71/84/98/102 HP
