BUT IF you are newb like i was and dont know what to do with the clutch, this happens, and this doesnt help That much. btw an average stock Si runs 16.2 at this track, and no this is not a bs excuse to cover up my newbness..lol
YouTube - LACR Track day
at about 2:55 section, i really abuse my clutch.... 5k launch didnt do much, at least for me