I don't have any numbers either, but I can say that I appeared to knock two tenths off my time. Basically before I put in the tune, I had several passes at around the same time (14.9, bone stock except for bassani x-pipe and magnaflow catback in 95 degree weather), and just after I installed the tune, with the same weather conditions, I was running consistent 14.7s (I know nothing to brag about, which why I have something different now).