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BOV - how loud is it??

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  #1 (permalink)  
Old 21 Dec 2003, 10:52 am
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Default BOV - how loud is it??

Just how loud is a BOV (blow off valve)?
Also, I know it makes no difference on a run, but wouldn't a BOV help acceleration in traffic when you are constantly slowing down and speeding up again (since, with the BOV, the turbo doesn't slow down nearly as much when you take your foot off the gas)?
Can anyone point me to an audio clip of a BOV in action on a PT GT?
Thanks in advance!
Oh, BTW I got my Magnaflow cat-back exhaust. It's gettin installed the week after Christmas.[8)][8)]
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Old 21 Dec 2003, 05:58 pm
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alceryes, the link below has two audio files of a BOV in action. On the first link you may have to download the file to your computer to get it to play.,sound,file

2002 Inferno Red PT Limited
Photos and more at:
Mercedes Wiki
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Old 21 Dec 2003, 06:59 pm
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All I hear is the exhaust...
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Old 21 Dec 2003, 07:56 pm
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Location: VA, USA.
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In the first clip the BOV sounds kinda like a cymbal.

The second clip gives a more accurate representation of what the Mopar BoV sounds like.

It's the "pssh" you hear right after the rev.
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Old 21 Dec 2003, 08:38 pm
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Default it.
For some reason I had probs playing that second clip.
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  #6 (permalink)  
Old 21 Dec 2003, 10:16 pm
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Join Date: Mar 2003
Location: Toronto.
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How loud a BOV is depends a lot on the style of the BOV...
-Turbo XS RFL-H tends to be the loudest one i've heard, the type-H is a quieter...
-HKS/Greddy tend to be a little quieter than the turbo XS
-Mopar is the next loudest...and the cheapest b/c it is essentially just a plate
-Turbosmart is the least loudest
Each BOV also has a very different sound to it...
My Cruiser is slow. I love the law.
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