Originally Posted by jungleboy

There is nothing wrong with the stock ECU up to a point. When you start bolting on turbos that will max out the MAF sensor on a 70+mm CAI then you should probably start to think about a MAP/speed density based ECU. Speed density is not available with open source tuning, but might be available in Ecutek software. It would be worth checking if Ecutek can do it otherwise you'll be restricted to low boost.