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Discussion Starter #1
i bought the car with the hks blowoff valve already installed, so i don't have any instructions. i am experiancing a slow leak somewhere in my system. when i looked at this picture on mkiv, i may have found the problem, or part of it. if you could look at the picture and tell me where to route a vacumn line that would be great (pic even better)? right now i just capped off the flange, and i get a little more boost out of the turbos.
 

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Is this the HKS Racing or HKS Racing II? I had a Racing I and it couldn't hold higher boost levels so I replaced it with the Racing II and everything is fine.
 
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Discussion Starter #3
it is the hks racing I. i am not running high boost, 14psi.
 
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