Over at k-series.com they were talking about making up some new seat brackets that would sit lower. This is prob. the only way to lower the seat.
Another way to go would be to find a thinner bottom aftermarket seat and drop it in.
Honestly I wouldn't mind being able to low my seat a little in my EP as well.
Take a look at these two posts:
http://www.k-series.com/forums/viewt...t=seat+bracket
http://www.k-series.com/forums/viewt...t=seat+bracket