Personally o thinl it's not just about spring rate, quality of monotube is also very important.

I think 9 front and 7 rear is plenty. Have u got sways?

using the Perth-WRX mobile app

__________________
MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport