do i need a bov for the ihi vf34?

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Aug 17, 2005 | 12:13 AM

jpun1

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From: SF, CA

Car Info: WRB 04 WRX; Gruppe-S Stage 2a, 17"Rota Action

do i need a bov for the ihi vf34?

i'm getting a vf 34 upgrade and was wondering if i needed an aftermarket bov for it? if i got one, would i run into similar problems as that which people face using bovs in stock turbos?

Aug 17, 2005 | 10:02 AM

Me&05WRX

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From: East Bay, CA

Car Info: 2015 STI

From what I've read before, is you will need the BOV when boosting over 20-22psi. Correct me if I'm wrong.

Aug 23, 2005 | 09:16 PM

okpanic

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From: Salinas, ca

Car Info: 07 Silver Mazdaspeed 3

the bov problems we all face is because of th MAF sensor not the turbo. If you plan on running under 17 psi off you new turbo then the stock valve wiil work fine. anything over that you should look into a hybrid valve.