We calculated in another thread that just from basic pump thermodynamics and generous efficiency assumptions that the device could not even provide a 911 with a PSI in boost.
At high rpms it might even become a restriction.
For those who missed the thread on this device and have a lot of time on their hands here is some web drama for their amusement.
http://forums.pelicanparts.com/showthread.php?threadid=135630