they will help, the drop in K&N wont do much other than allow you to have one filter your can keep and reuse. i would suggest the freak as it not only helps in performance, but it also makes the bike much easier to work on. sems your on the right track tho

Frank


(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves NOW-2010 silver and black tbird