Best Blow Off Valve For Wrx? - Subaru WRX Forum
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post #1 of 31 Old 10-18-2003, 12:45 PM Thread Starter
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Best Blow Off Valve For Wrx?

Hey whats up people, i am trying to find out what the blow off valve, you guys recomend to upgrade the stock on on my wrx, while i am concernd about sound, PERFORMANCE is most important to me , so i want to know what you folks recomend since i am new to wrx's and dont know much about them, and at the same time if anyone is getting rid of any parts let me know , i may get some parts off some you folks!

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post #2 of 31 Old 10-18-2003, 12:52 PM
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GFB HYBRID JUST GOT MINE AND LOVING IT but make sure you put the recirc valve back on so you will be faster with less lag the sound is great and its easier to install if you push the intercooler all the way out if the hose to get to the clamps.. but i love mine

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post #3 of 31 Old 10-18-2003, 12:55 PM Thread Starter
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GFB HYBRRID, where did you buy from, and was it a direct bold on or am i going to have to to some welding?

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post #4 of 31 Old 10-18-2003, 01:47 PM
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HKS SSQV with WRX kit, direct bolt on and sounds nice.
www.blowoffvalves.com BOVs are simply a matter of taste in which sound you like best since they all work the same. Check that site out for sounds of different BOVs.

Che
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post #5 of 31 Old 10-18-2003, 02:00 PM
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I have a friend who has the WORX (sp.?). It's spendy but seems to be a very nice BOV.
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post #6 of 31 Old 10-18-2003, 02:35 PM
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I also have the GFB Hybrid and am very happy with it set at 50/50. However, I did some reading on the WORX BOV, and it looks and sounds like it is a very nice BOV. It blows off directly to the intake (recirc.) until it is no longer needed; ie: enough air has gotten to the intake to satisfy the MAF, after which it blows the rest off to Atmosphere. I like that idea a lot.

Anyway, I'd say GFB or WORX

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post #7 of 31 Old 10-18-2003, 05:30 PM
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I'm very happy with my GFB hybrid also.
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post #8 of 31 Old 10-18-2003, 07:55 PM
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Re: Best Blow Off Valve For Wrx?

Quote:
Originally posted by caliwrxsun
while i am concernd about sound, PERFORMANCE is most important to me ,
better off spending your 200 or so bucks on something other than a blow-off if performance is your main concern...
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post #9 of 31 Old 10-18-2003, 08:25 PM
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Re: Re: Best Blow Off Valve For Wrx?

Quote:
Originally posted by TheRex


better off spending your 200 or so bucks on something other than a blow-off if performance is your main concern...
This is true... while the sound of an atmospheric BOV is very nice, and can deter 'rice'... you are giving up some performance by venting that air, which the MAF has already metered and depends on for the correct A/F ratio.

Blue
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post #10 of 31 Old 10-19-2003, 10:41 AM Thread Starter
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EXACTLY , i know , in my eclipse GSX wasnt venting to the atmosphere becouse for that same reason , plus the car didnt handle that too well it kept trying to stall all the time,..... i'm just trying to find out where i can find this hybrid, and this worx

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post #11 of 31 Old 10-19-2003, 02:52 PM
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www.vividracing.com although they are evil, hehe.

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post #12 of 31 Old 10-20-2003, 02:03 AM
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yea its a direct bolt on and if you rip your gasket just get a new 1 from your suby dealer or make your own like me im am very happie with mine i have scared sevral people, deer, and school kids with it hahaha its great and it loks nice too i got mine in blue

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post #13 of 31 Old 10-20-2003, 11:16 AM
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Quote:
Originally posted by 350Zya
GFB HYBRID JUST GOT MINE AND LOVING IT but make sure you put the recirc valve back on so you will be faster with less lag the sound is great and its easier to install if you push the intercooler all the way out if the hose to get to the clamps.. but i love mine

u mean like put it 50/50?? if u do this, doesn't the 50% go back into the turbo and create more lag? Let's get something straight: the BOV takes the air that's supposed to go back into the turbo, which goes against the presseure created by the turbo, thus creating more lag, and throws it to the atmosphere; yes or no?
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post #14 of 31 Old 10-20-2003, 11:24 AM
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No.

The recirculated air goes into the intake side of the turbo. That helps keep the compressor wheel spinning, which reduces lag.
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post #15 of 31 Old 10-20-2003, 01:41 PM Thread Starter
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and some blow off valves like the greddy type S use a system that while doing all this , keeps the turbo spooled between shifts!

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