Hiflofiltro air filters are manufactured to fit the factory air box and are a direct replacement for original equipment filters.
Fits:
Piaggio 250 X9 (Honda engine) 2000 to 2003,
Honda FES250 Foresight 1997 onwards,
Honda NSS250 Reflex / Jazz 2000 to 2007,
Peugeot 250 SV 2001 onwards