VORTEX GENERATOR (MITSUBISHI EVO 7 8 9) MITSUBISHI EVO 7 8 9 CS Style Vortex Generator Car Toys Blox 02 07 Subaru WRX Vortex Generator ABS Black MITSUBISHI Evolution 7 8 9 Vortex Air Generator Car Toys BLOX Racing 2015 2018 Subaru WRX, STi Sedan Vortex Generator Subaru. The BLOX Racing vortex generator is molded out of ABS plastic and is designed to be used as an OEM replacement. This aerodynamic piece will direct turbulence to correct areas of the rear of the vehicle and generate extra downforce. Application: 2003 2007 Mitsubishi Evolution VIII and IX