BOV?? Recirculation or 50/50??

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Old 11-13-2014, 08:40 PM
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Exclamation BOV?? Recirculation or 50/50??

is a good idea to replace the factory one? do i have to tuned the car again?
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Old 11-13-2014, 08:53 PM
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No, you will not need to replace your BOV. If you want the BOV sound, get an aftermarket intake.
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Old 11-13-2014, 09:02 PM
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it has a intake already
N its not the loud so i was thinking on getting a aftermarket bov.. like the HKN or Turbosmart
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Old 11-14-2014, 09:10 AM
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You feel you need a BOV for what reason? On an otherwise stock car it will do nothing for you. These aren't Hondas, so yes with certain mods you should get a tune. That means you should plan your mods and that plan needs to include a proper tune.
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Old 11-14-2014, 09:16 AM
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Old 11-14-2014, 09:22 AM
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Blow Off Valve FAQ: Read if you are thinking of buying one! - NASIOC
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Old 11-14-2014, 11:28 AM
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Old 11-14-2014, 12:25 PM
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BOV FAQ: The REAL dirt on BOVs. Ups AND downs. Lets dispell some myths. - NASIOC

Here is another BOV FAQ that's a little newer (2008 vs 2003), but pretty much along same lines.
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Old 11-14-2014, 12:30 PM
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Originally Posted by Macanas454
is a good idea to replace the factory one? do i have to tuned the car again?
Turbosmart Recirculating Blow Off Valve Kompact Plumb Back Black Subaru WRX 2002-2007 / STI 2004-2014 / Forester XT 2006-2008 TS-0203-1215 at RallySportDirect.com

This is the one I have, works great on the TD04, even at 22.5PSI.
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