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Discussion Starter #1
ok so i put this bov on my car without a fin but it sounds like im gettin back spool? is it suppose to sound like that from no fin or do i need to run the fin??
 

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the "sound" is fast doesnt make a gobble sound..just a fast similiar gobble PSSSHHH!!!
idk what "fin" your talking about... maybe the horn for the bov??

either way i head that HKS bovs commonly have a flutter sound to them, your probably fine... mine sounds the same way
 

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1992 Civic Si
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It's normal and it's not going to hurt anything. The SSQV (even legit ones) open slowly, so there's always a little flutter when you're running higher pressures.

This is what my ebay one sounds like with the fin removed.

 

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Discussion Starter #9
under about 2-5lbs sounds like air but under 12lbs has that flutter noise..i was hopin it wasnt back spool..sounds sick :p
 

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1999 EJ8
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Your fine, it should sound like that without the fin installed.

Once I heard Sentry's BOV without the insert, I took mine out and it sounds the same as his.

For some reason my friends said the BOV sounded better with the insert, so I put it back in. For now.

But yes, your fine.
 
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