Just a quick update after installing the k&n, much much better!! the bike feels like it is breathing better, on and off the power, its not quicker tho as expected, I just had a quick blast today to work on it (11m) so never got to open her up too much but for now the "jerking" when off power at 3k is deff smoothed out, now it just does a little pop instead...? dunno if that worse? BUT I will remap at some point its defo not 100% even tho it feel smoother, just got a little more time to save for Bazzaz and Re-Mapp so hopefully will get that done next months wage slip hopefully will post maps in the near future.
p.s. the K&N was a road one NOT a RACE version FYI.
Thanks all.