I don't know...
I have setup the car back to stock complete with the resonators and factory exhaust, cleared the computer memory and the high RPM hesitation is still noticiable. It mainly appears in second gear. when it happens, I see the turbo jumping up and down, maybe is an air volume issue or is just a consecuence of the exaust gases playing with the turbo impeler... My car is scheduled to go for service this Thursday for this situation and for (maybe I am paranoid but beter safe than sorry) a Knocking issue. I hear minor knocking in the engine when in third and boost is over 10 PSI.
Will keep you posted.
Ian
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