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driving along the freeway at 100k's and hour i make 2-3psi at 2800rpm (this is very slightly uphill, crusing at constant speed, without full acceleration)

Is yours stock? i don't think i make any boost at 100K in fifth. The standard boost gauge is also really bad so i might change that first and see. If only money was no issue :

I make 15psi by 2900rpm in 5th gear! Thats a full exhaust system on an R32 GTST with standard turbo, before the exhaust it would of been more like 3500rpm for 10psi...

Thats just an example of what a free flowing exhaust can do :P

Yes i understand that completely im just trying to show an example of how a free flowing exhaust will help boost levels come on earlier as that was what the original question was about :P

Sorry if its useless information lol

looks like i'll be getting a free flowing exhaust soon then :laugh:

What does a RB26TT run standard boost wise? is it around 10 or 12 psi?

I'm asking this because once the exhaust is in, the boost will creep up 1-2 psi anyway so i don't need a boost controller. I don't want to run more than 14psi on the stock turbos.

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