I believe that is correct. It has been a while since I plugged in my bluetooth OBD2 adapter, but I want to say that it runs over 20 PSI at max boost. I'd be interested to know the difference between overboost and regular boost, but really need a passenger to watch the torque app to do that. I dont think staring at my phone for 10 seconds while driving at WOT would be a good idea.How much boost does this turbo make on the diesel? The Torque app on my phone\bluetooth OBD2 adapter shows 22.5 psi at WOT. Seems a little high to me.