i was comparing the boosted cars to each other.
of course NA cars make less power per mod.
it's the exhaust cams which can be switched out for more power.
cams from all manufacturers are made for emissions mainly.
go take a look at the BMW and Honda forums and see how much power those guys are making with swapping out the cams.
with FI cars it's not uncommon to see upwards of 60whp increases with cams.
hell with non turbo Z32's cams make a huge difference.
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