What you describes sounds like what DBL & Spec said. I had a massive purge of air on my Stage 2 final tune, which was the turbo-->TMIC hose popping off. The clamp was tight on the hose, the hose appeared to be installed on the turbo flange, but it was not. Check those connections.
Originally Posted by MasAyinde
Pussy, turning is fantastic and fun with my 25mm rear