THE VORTEX GENERATOR HELPS DIRECTING AIR FLOW OVER THE REAR OF THE VEHICLE & GENERATING DOWN FORCE TO KEEP YOUR VEHICLE STABLE AT HIGH SPEED MADE OF HIGH QUALITY ABS PLASTIC - READY TO BE PAINTED OR LEAVE IT IN BLACK. COMES WITH 3M SELF-ADHESIVE DOUBLE SIDE TAPE. FITS ALL 02-06 SUBARU IMPREZA WRX / STI PERFECT FITMENT, EASY TO INSTALL

Plug and Play.