I see you have a new strutt brace and top mount manifold system.
What rpm did the tuner take it up to. Its absolutely screaming

(love it)

I was trying to listen to the exhaust noise to guage the boost increase after the needle end but couldnt depict it,maybe your phone was destorting hehe. what rpm was it at at the point when the Dyno maxed out? Do you have a print out?
Great videos by the way. Its good to see new s12 vids online
ps what turbo and boost presure and injectors are you now using?