ok, so heres the deal, ive got an 88 SE...its na, 5spd. heres what its got:

NGK platinum, 'highway plugs'
Accel supersport wires
K&N cone filter from turbo MR2
Full 2.25" exhaust, manifold to muffler
Apex N1 single
6PI ziptied open
AFM advanced for more fuel
Electric fan conversion
AIR pump removed


now, the $47 jillion question; what should my next HP upgrade be?

any opinions? id like to hear some educated answeres guys!

FYI... my clutch is going...it already cant handle the upper RPM power now (100+ k miles on original clutch) Mazdatrix street/strip clutch, ultralight flywheel on the way.

thanks
chris