dude last year i was in the same boat you where i wasn't happy with how my bike ran i had fmf fattys then i was well mabey i will get into dragg racing and i bought cpi inframes it was like light and day i was like holy shit why didn't i buy these sooner !!!! i had more bottom end and about twice the top end really helped me out mabey it will do the same for you
if not best of luck !!