i'm confused. Pardon my ignorance in advance, but you seem to be hinting that a dealership could have wired something wrong? What besides the piggyback is needed to be wired? Fuel pump, regulator???? But you dont mention that. And how did a dealer override the PNP Stillen piggyback?Sounds like Stillen is having tuning issues to me. So did you tell the dealer what A/F ratio to run??? If not you have some damn good techs at your dealership.