this has prob been asked befoe but i have looked and cant find anything.

what sre the pros and cons of fitting cossie mangement?

i havent really taken much interest before so dont know much about it.
seems a lot of people fit them to there rsturbo but for what reason? why is it better? and what bits do you need to convert to it?
i have a OFAC FRST so what would i need and anyone know what benifts i would get.

currently running with 195 chip and all the cr@p that goes with it if that helps