Yeah probs best to mate, mine is all standard apart from just fitting a 5zigen pro race exhaust system & wepr de cat & that's close to hitting fuel cut, my engine management light flickers on when I boot it, I have ordered a boost gauge to see what's going of I did fit one at the weekend but that was faulty. Could not get a good reading from it http://www.ukstarletowners.com/topic/95770-boost-gauge-readings/#entry1130751