Loudest BOV
 

So I have the FA20club kit with the Turbosmart 50mm Q BOV, and it is too quiet for my taste, what BOV out there will conform to my kit and is a very nice loud pleasing sound?

HKS or Tial might work for you.

I have an hks ssqv iv. It's plenty loud. I will be upgrading to a Precision BOV in the near future which is loud as well, without the whistle. Its more of a "wooosh."

Are pretty much all BOV's on the market universal? I heard the Turbo-XS Type RFL was one of the loudest but not sure if it is universal.

Is this the fast and the furious?...

I apologize, I just honestly love the sound of them.

It is a bit orgasmic lol

@Admired did you ever get your car running right?

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I like the sound of the group b bovs. Kind of a turkey call sound. I think the HKS super sequential valve does this.

Yeah, apparentley the whole "injector problem" was never an issue as Doug assumed I had a EL Header when I really had UEL so he thought he was hearing something that really wasn't present. Yeah it is all working nicely, just lacking a but of power but I am happy atm.

On another note are all these aftermarket BOV's, are they all universal but just need to have a flange welded on or something?

HKS SSQV with enough boost, with an open hood literally hurts my ears. Very loud, and sounds really good :)

SSQV is probably the loudest. I like the Type-S because F&F.

Just remember that you've got to live with the loudness once you get it. I went through a few BOV's on my WRX before finally settling on an APS 50/50 valve. I had a Greddy and the HKS SSQV as well. The HKS is definitely loud and it can get a bit annoying after a while. I liked the APS because if you drove it lightly, it recirc'd and you heard nothing, but if you got on it, you got the typical whoosh.

I run the SSQV4 on my Evo and it's definitely loud enough to get attention.
Thinking about switching to this BOV though:
[ame="http://www.youtube.com/watch?v=3pbUMXZvfi8"]Turbo Charged Subaru STI DUCK CALL Blow off Valve. - YouTube[/ame]