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Discussion Starter #1
Anybody has that sound after releasing gas?
youtu.be/2QmSCR_VRm0

I have the stock bpv and a Short ram intake.
This sound makes me crazy.. What could it be?
 

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Lol. You're right, it shouldnt surge at all when letting off the throttle most times. Mine does surge occasionally and makes noises at very light/partial throttle when i let off. Like when im almost out of vacuum and not producing any boost.
 

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Anybody has that sound after releasing gas?
youtu.be/2QmSCR_VRm0

I have the stock bpv and a Short ram intake.
This sound makes me crazy.. What could it be?
yes i do hear something very weird AFTER the bov releases air but that sound i definitely have never heard before but gut tells me the engine in a "downshift" ...??
 

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Discussion Starter #7
I'm not downshifting or anything, you can hear a strange buzz right after the bov.
The buzz is pretty loud, almost covering the sound of the blow off which is super disgusting..
It kinda sounds like a deep voiced duck in heat lol. It's definitly not a surge..

Also, it happens after about 10 psi. Under 10 psi, I get the normal bov sound.
 

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Discussion Starter #8
Also, my short ram is a red neck cone filter that I fit on the stock air intake hose while I'm waiting for my injen sri to arrive.
Could that cause the strange noise?
 

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Discussion Starter #10
AH I here it now.

Not sure. any other mods done?
Nope, completly stock except the cone filter I put on the regular air intake hose.

The sound was there with the regular air box but very faint since it was restricted by the box.
 
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