Thanks guys, I looked at those threads but I dont think I want to go with the electric cut outs, I've heard if you drive over water they start to stop working, and the heat doesnt do them any good either.
I'm happy to go with the old school unbolt, bolt on cut outs but I dont know if there is going to be any power gains.
From the many readings I've done on the net I've seen people gain 20whp and I've seen others loose hp. It all apparently depends on the car. No one has really reported looses or gains with them on our cars!!! Hrmmm what to do...