Fp-de upgrades

[protegeguy2112]

I have the 1999 Mazda protege wa with the 1.8 I. It and I was wondering what I could do to raise the hp and tq I was reading u can take the manifold of the 626 idk what else

 

[JDM323J48]

fs-ze problem solved.
flow, intake exhaust before thinking about intake manifold, quality plugs too

 

[protegeguy2112]

i already have intake and exhaust opps forgot to mention that..

 

[tweety2300]

You won't notice anything major without boosting it, 626 intake manifold is better for forced induction not so much on na setup