since im thinking about changibng the cams in my car for a more aggresive sound, i decided to look at other stuff as well (now im gettin power hungery

) and i came across super six power pack, and for just $1800 i can get 75 more ponys for my pony.
but, i have questions
heres the link
http://www.supersixmotorsports.com/p...3PowerPaks.pdf
I am looking at the stage 2 for the 98 3.8V6(for auto)
but, whats the differance between stage 2 and stage 2+
and also(the big questions)
how hard is it to install?
is it just bolt on and go?
any tuning involved after installation?
if its beyond my capabilites, how much would it cost to have a mechanic do it?
any suggestions are more than welcome!!
