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Old 04-28-2008, 10:29 PM   #1
Question silent BOVs??  
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Who makes realllllyyyy quite BOVs?

I'm trying to stay as sleeper as i can...

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Old 04-28-2008, 10:38 PM   #2
Re: silent BOVs??  
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dont let off the gas fast
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Old 04-28-2008, 10:44 PM   #3
Re: silent BOVs??  
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keep it recirculating like stock
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Old 04-28-2008, 11:16 PM   #4
Re: silent BOVs??  
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make your own muffler?
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Old 04-28-2008, 11:32 PM   #5
Re: silent BOVs??  
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yep, just plumb the outlet back into the airbox.
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Old 04-29-2008, 12:01 AM   #6
Re: silent BOVs??  
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still who makes the quietest of all of them overall...
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Old 04-29-2008, 12:58 AM   #7
Re: silent BOVs??  
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ooo and not to hijack but who makes the LOUDEST ... lol but seriously the one dude i saw had a turo mr2 and the BOV sounded like an air horn... id love to chirp that bad boy right into a honda window hehehe
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Old 04-29-2008, 01:15 AM   #8
Re: silent BOVs??  
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RFL or similar is loud

Re circulating it into the air box all brands should be similar IMO
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Old 04-29-2008, 02:12 AM   #9
Re: silent BOVs??  
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Get the cheap knock off from ebay, if i want to hear it i have to roll down the window, make as much boost as possible and turn all the radio and stuff off, put my head out of window as close as possible to the hood while under boost and finally when you let go you barely can hear a whistle I hate this crap, i want to change to Synchronic BOV once i have a new turbo
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Old 05-01-2008, 08:59 PM   #10
Re: silent BOVs??  
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RDIperformance.com sells the best sleeper BOV. It's a bosch unit from a 911 turbo. Very sleeper, i think i might get it.
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Old 05-01-2008, 09:04 PM   #11
Re: silent BOVs??  
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I am running the audi one as the porshe- it goes on a 1 inch nipple iirc.
Pretty loud and cheap, but if you send it into the air intake it will be very quiet.
It should hold over 20psi no problem- I will test it to see where it fails/leaks.
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Old 05-01-2008, 09:31 PM   #12
Re: silent BOVs??  
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The car that I road in that had one was very quite, it did have a filter on it.
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Old 05-01-2008, 09:32 PM   #13
Re: silent BOVs??  
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Quote:
Originally Posted by rx2mazda View Post
RDIperformance.com sells the best sleeper BOV. It's a bosch unit from a 911 turbo. Very sleeper, i think i might get it.
Here a picture of the BOSCH unit form a 911 turbo.

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Old 05-01-2008, 09:46 PM   #14
Re: silent BOVs??  
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That BOSCH 911 valve works great. I used to have one on a GLH. Much cheaper than the aftermarket ones out there. I got mine for like 30.00 shipped.
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Old 05-01-2008, 09:51 PM   #15
Re: silent BOVs??  
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would not screw around with a plastic BOV. Get a metal one from a DSM, or if you're really cool like me, a bimmmer.

A recirculated one with a baffle will be nearly silent. Don't want the noise, RECIRCULATE. You can make any BOV quiet by doing that. Which one is the least loud as is? That's up for debate really. My RFL is actually RAQTINI (really alot quieter than it's name implies), and the 1G DSM I had could be heard from blocks away. Orientation too, if you don't want others to hear it, point it into your engine bay and towards the ground.
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