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Ok I'm more than sure it would be on the forum somewhere and I looked and I looked but none of my searches came up with any fruit.

Hopefully a couple of simple questions.
For and 1.6 NA with GT2554 turbo rx8 injectors, COPS and Heltech ECU what would be the recommended Steam pipe size for the manifold and the best dump pipe and exhaust system size?
I would like to allow for larger turbo (GT2680) later so I want to make Exhaust size "Future proof".

While I"m here also what would be the best turbo to intercooler to inlet manifold pipe size be?

The car is Track use only so no rego issues to take into consideration.

Thanks heaps guys.
Joe.

Ask Dann. Don't ask anyone else, just ask Dann.
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Richard.

I am really, I'm just doing it in a public place so all can record for future reference.

No idea re the steam pipe size but 3 inch exhaust and dump for power.
Intercooler 2 inch from turbo to 2.5inch at the IC. then 2.5 from IC to TB ;)

Late reply but thanks Speed :-)


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No worries Joe.
My setup sounds a little similar to yours (except a nissan t25).
I'll start with a 2.5 inch exhaust as that's what I have.
Still yet to make up my intercooler piping.
Would like to see pics of yours when done.

Cheers!


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