Quote Originally Posted by ATSE View Post
It is still "de-tuned" in my eyes from the factory, as APR would have had to make changes via dyno to create this reflash, as I don't think it would of been as easy as saying "we'll just tell the ecu to open up the wastegate at high pressure". But correction noted and good knowledge aaronng.
Of course, when they increase the boost pressure, more fuel is needed to compensate. That's why they develop it on the dyno. On the dyno, they alter the fuel maps for that higher boost.