cold air induction, Converter (2800 stall), MAF, intake, fuel pump, adjustable FPR, heads, TB, maybe injectors, cam, dyno tune.
I don't think you'll need the injectors unless you go big with the heads and cam. RPM extender not necessary IMHO.
CAI if you have stock airbox 5-10hp.
Converter no real hp, just 3 tenths or so.
MAF no real power at this level, but you'll want it there for future mods.
Intake again need it for future mods, maybe 10hp.
Fuel Pump you'll need for anything adding solid hp.
Adjustable FPR, again you'll want it before the heads go on.
Heads 30hp+. With the intake already on, the heads should make a pretty solid difference.
TB pick up another 5-10 by eliminating the 58mm restriction now.
Cam picks up another 20+ at this level.
Dyno tune, picks you up probably another 20rwhp and actually lets your car run with a cam.
That's about the way I'd do it.
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