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Piping

G0DF4Th3R

By G0DF4Th3R,
in Engines & Forced Induction

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G0DF4Th3R Grand Master

G0DF4Th3R

Posted
Posted

Hey guys,

Anyone know the size of the original intercooler piping on an RB25DET? Coz i want to get a cooler that has its inlet and outlet on the left side of the cooler so i do not need to get a lot of piping, as in use the original piping in the engine bay. is this possible and how big should the diameter be?

thanks in advance

bambam

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GTS-t VSPEC Grand Master

GTS-t VSPEC

Posted
Posted

G0DF4Th3R,

I think the original piping is 2.5". It is possible to have a cooler made this way, but certainly it is not the prefferable design. I'd save my money a bit more and go for a GTR style cooler with 3" piping all the way, you'd be surprised what a difference it will make.

See'ya:burnout:

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Gradenko Mentor

Gradenko

Posted
Posted

3" is bigger than:

- the outlet from the factory turbo

- factory L pipe to the throttle body

- the throttle body itself

Isn't it a bit of overkill if G0DF4Th3R isn't looking for 600-odd-hp? All that extra volume to fill isn't going to help response very much.

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GTS-t VSPEC Grand Master

GTS-t VSPEC

Posted
Posted

Well seeing as I have done it and it only improved both my response and power then I would have to say hah to that. I agree that too big can be a bit of overkill, but replacing the factory pipes is a must, they are shit.

I always assume that people are after big power, like me, if your not then 2.5" will be more than enough, just piss off the stock pipes.

See'ya:burnout:

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