k does anybody have any info or reviews about this comtech supercharger i am seriously giving thought to this supercharger i just need some opinions about it

http://www.comptechusa.com/store/product116.html

what would the type s be running in the 1/4 with one of these on it
and would i need any specail tuning or would be sending the computer and key module to comptech for them to program it be all u need?
thanks for the help...