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- Engine/Power - EJ25T (STI and 2006+ WRX) (https://www.i-club.com/forums/engine-power-ej25t-sti-2006-wrx-90/)

- - Same BOV? (https://www.i-club.com/forums/engine-power-ej25t-sti-2006-wrx-90/same-bov-31806/)

Ranielle

Sep 17, 2003 02:24 PM

Same BOV?

I just got my STi 2 days ago and I was thinking to install BOV on it. Here comes the question. Is it the same on STi as on WRX?

ImprezaRSDriver

Sep 18, 2003 05:09 PM

It should be the same. I don't see why Subaru would make any changes to it since it the same BOV used around the world.

Blue-Adept

Sep 20, 2003 05:33 PM

The STI and WRX have Differnt Boost Pressure. Whould the BOV be a differnt part?

Blue

ImprezaRSDriver

Sep 22, 2003 06:56 PM

Why would you need a different BOV for only a 1psi increase? I checked with a dealership today and it is the same part number as a WRX. I ran 15psi in my WRX and the BOV has no problems with it.

IF you were running more along the lines ofr 20psi then I can see the need for a different BOV.

bao ling

Oct 2, 2003 06:14 PM

I'm running a blitz dd with no problems. ;)

Blue-Adept

Oct 2, 2003 07:30 PM

Then at what pressure does the BOV activate?

bao ling

Oct 3, 2003 05:37 PM

It's adjustable. Between shifts when there's overpressure you'll hear it. Usually above 4000rpm. I think? I left the stock setting alone because the instructions were in Japanese. If anyone has advise on the right ammount of adjustment this it would be helpful to me. Thanks.

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