Hey I have a 02 wrx. Just sold the 06 sti transmission out of it due to not liking the gearing on it. I picked up a blown up 04 wrx transmission and still have the 06 sti rear differential in the car. Just curious as to what my options are. I want the car to be a reliable 450hp auto cross car. I know there is the obvious ppg gear set but that a bit spendy. Thanks in advance.