Good afternoon guys! I have an issue with my fiesta st, i think ITS underpowered, i installed a gfb dv+, foam filter, i had an accesport but now ITS stock. I take It to a highway AND from 2500 rpms to 4000 rpms i feel the turbo pushing but instantly the turbo deflated AND got the p0299 code ... Any advise ? Should i get rid of the gfb dv?