Hesitation

[OLik]

my r32 hesitates to rev between 4-5k. it holds boost fine but when it gets to this rev range it pops/backfires and does not want to rev till 5k.

current mods

just jap fmic kit

gfb t piece (13psi)

3" turbo back

K&N pod

what do people think?

[Green_s13]

it could be a number of things, could be plugs, coilpacks, fuel pump, fuel filter.

do a search of these forums and you will find heaps of information about it