I'm curious about FC Tweak, has anyone used it before and have any feedback?
https://www.facebook.com/FCTweak/

 

I personally own the pro version (paid version ) I am extremely suprised with how well the program works and runs. Cut my street tuning time in half. Immediately better after first run and drastically better each run. Can recommend Xavier’s program more. I still have more to do but that’s because I’ve been busy.