have any of you fellas fitted one of these as my friend has fitted one to his gc8 v5 sti and cant seem to work it out they are quite new on the market over here in the uk

 

whats the problem, they all install about the same?

 

cant seem to get the settings right over boost under boost the manual that came with it is crap(no good) does not understand the all the settings off set value responce value overboost value drop value and what % toset it at

 

try this set up for safe start then tune it. thats what i did.
HOw to Tune HKS EVC IV - NASIOC