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Also, atmospheric venting valves are usually designed to stay shut more than a plumb backs due to the problems associated with them opening at idle.

Yep, seen many a car running a plumb back BOV in an atmo way. At idle its open and sucking in unfiltered air.

Even seen people have mini air filters on them.

The design principle between a plumb back and atmo are identical so the only difference would be the atmo BOV's running harder springs that cant be pulled up under vacuum.

But you can afford to run the risk of hundreds of dollars for fines and/or loosing your license for having an atmospheric venting valve?

New Zealand is a great place when it comes to atmo bov. :P

And the $500 was in reference to some one saying it was a cheap ebay bov, when it wasn't and i dont have money for an hks one etc... Basically I spent the money already and if I can get it working without having to spend more on a new stock bov, after i bought this one, I would rather do that.

I'll post up a video tommorow with how I have it installed and the sound it does. It might just be that the sound that is being produced is correct but i'm freaking out beacuse it's different.

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