So.. I've been thinking long and hard is it worth the extra money to fit an electronic boost controller. I'm going for a E-Manage blue map at TuningDevelopments in the next couple of months. Running a Zisco, TD04 Ex/wasted kit. I've spoken to mike and im going to map at 1bar spring pressure. Now, he said the only difference that would be noticeable is the way the power comes in. With an EBC it would be smoother, where as at spring pressure it may be a little more rough. Also the full boost may be 50-100rpm later as the spring will lift as boost comes through. Where as an EBC can help