Stage II cheetah turbo????

[AlvinB24]

Im looking at a car that the owner says has a Stage II cheetah turbo.
I've never heard of this before, does anyone know anything about these?
Are they any good? and what size would it be?
Thanks for your help.

 

[Spongebob]

http://www.turboneticsinc.com/turbo_gn.htm

Kanut has one....Dick Starbucks on Pittspeed