not sure what managements on it,standard i think,mfi??? nothing programable/mappable like the aftermarket stuff as i was told to get some on it to increase power/performance,yeah it has dv on,like a load of 306 td's near me so getting fed up of hearing em,wanted summat different especially as it works almost as good as viagra 4me when i hear it!!!or summat big to drive over the 306's lol,has adjustable boost from inside car,just gotta turn and turn it ..... wish i had a clue bout this and loads of other stuff on car,bought it as it is now,almost as hard as getting a gold member logo lol,thanx guys,gonna give it a go