hey, hi5. i just got mine couple days ago as well. its WRX 01. But there are few things i dont quite get it. Cause the other day, i saw an other same car, exact same model, same year, but it has Sti. So i wonder what that Sti mean... and what the different between the Sti and none Sti?? Is there anyway to upgrade the none Sti to become same as or overcome Sti.... really confuse. Thx alot.