Roger Clark Motorsport have developed their own high performance induction kit for STi cars (from 09/1996 to 01/2000 and also WRX cars from 08/1998 - 01/2000) allowing greater unrestricted air flow and improved engine response.
This induction kit...
RCM's own 80mm Aluminium spun induction trumpet, used for installing cone filters.
RCM's own 100mm Aluminium supn induction trumpet, used for installing cone filters.
Replacement K&N Cone Filter, as used with RCM Induction Kits
Larger (24cm tall) cone filter, as used on RCM Twisted Turbo installations
Replacement K&N Filter, as used with Process West CAI kits.