Quote:
Originally Posted by jwick
Could be a lot of reasons. Weather conditions, dyno used, type of exhaust (true-duel, y-pipe, etc.) and most importantly the tuner performing the tuning. Some tuners are more conservative with their timing and that will have a dramatic impact on HP numbers.
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also some people ask for the car to be tuned certain ways. some want max power as I would and some just want a little extra.