I was looking into doing that as well,pro-shifted street/strip.
After talking with several MUCH more realistic people who have been there,I realized I was assuming too much.
Yes it would be faster,IF you can hookup on the gearchanges,but it is giving up ALOT of streetability.
If you have all the stuff and can try it cost free,what do you have to lose?
Just don`t let yourself become angry at your car ..........