There is only one flash for the si, The old flash did not respond good to i/h/e....but the new flash is re-timed...and working much better. Myeverlovinsir is waiting for doug from hondata to send him back his re-flashed ecu, once he get's it I'M sure he will let you know his impressions of the new flash......Oh yea, as far as hitting 14s, Klutchrsx from clubrsx is hitting a 14.8 with i/h/e/hondata/heat gasket, with stock tires!.. Mid to high 14s are possible....and yes it is a base....