That's funny after 8 months of ownership I replaced one of my IC hoses that had a 2" cut that was not visible until it was pulled off. I replaced it with a new one and also went from .7 bar to .9 - 1.0 bar consistently.

I even had my Indy check for sticking Wg's, checked A/F ratios for safety and any other possible reasons that could have caused the sudden rise in boost.

Nothing was ever found.

 

I assumed that the relief in exhaust restriction allowed the boost to climb quicker, make sense?
Its difficult to find open road around here to consistently see higher boost levels.
Bob