Originally Posted by Equilibrium Tuning
Looks like a bit more boost with your header up top is causing the increase in power. With the Perrin test, it looks like there was a boost leak or a pre-turbo exhaust leak... notice the torque peak is well after 4k RPM. This could also explain the lower boost levels up top.
BTW, I'm not saying your product is not good, but we all have to be very careful about how we run tests like this to make sure they're fair. I don't want this to turn into another Garage GT fiasco
you and your leak theories