here is my settings for the Spec C. I'm still trying to fine tune it so it runs 48-50secs on Tsukuba
Buy all of the good stuff for the Impreza but don't buy "Brake Balance Controller"
Suspension
Front 13/Rear 12
Rebound/Inbound
8/8
10/10
Ride Height
5 clicks to right from lowests
Camber
Front 2.2/Rear 1.5
Toe
Front -2/Rear -2
Stabilizer
Front 6/Rear 7
Fully Customize LSD
30/25
35/45
5/25
VCD
Set power to rear
Keep stock tranny
Traction Control - Off