Wow, first I seen of that product. Pretty cool! Gunna do some research on it.
As far as the nozzles you can put them before or after or both. On your system I would probably do both.
Here is a diagram for you... There is also information on the site about spraying on both sides of a centrifugal super charger.
http://www.alcoholinjectionsystems....-My-Water-Injection-Nozzles/article_info.html
