Tuning Headers Z22SE

s7ifl3r

Hello!I have one question about headers for Z22SE engine...All we know that the original is bad and ofcourse we know that with one new and improved headers we can win around 5% more power, and here is my question.I want to make custom/home made headers, but I need from some plans from tuning headers.I think about 4-1, but what is the measures?Can someone take me the plans of improved headers?
Thanks and sorry for my bad english!
Best regards!
Viktor

vocky

just make something with equal length primaries, 350mm long should be good for the length dunno..

s7ifl3r

Ok, but what must be the deameter of the pipes?36mm inside or something else?

vocky

around 40mm for a 4-1 :thumbup:

s7ifl3r

Ok...this must be inside.Soon I have try to make one...and we see what is the result.My plans is to make headers length 350mm(35cm) and inside diameter on 38 or 40mm and ofcourse 4-1.