Hiflofiltro air filters are manufactured to fit the factory air box and are a direct replacement for original equipment filters.
Fits:
Honda CBR600 F-1,2,3,4,5,6,7 2001 to 2007,
Honda CBR600 F4i (USA) — USA 2001 to 2006,
Honda CBR600 FS-1,FS-2 Sport 2001 to 2002