im changing just to the sti heads on my car know
its a uk95, mapped by jgm

what i need to know, will i need another map?
i was going to put bigger injectors & uprated fuel reg on.
but my golf has desided to play up again, so had to do a raise

but being as i'm only changing to the sti v4 heads from my uk heads.
will the car need a map.