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Discussion Starter #1
I was wondering if anyone's short ram for the I4 ever makes a wierd sound when your car is on? My intake is making a really high pitched almost whistling noise. I dont know if thats normal or what....anyone?
 

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I've noticed that this happens alot with, i think they're called vortex cone filters. My buddy had a problem like that on his del slow and i told him to drop a normal cone filter into it and the tone went down a bunch. So that is another possibility
 

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hmm that sounds like it could be the problem too....my buddy has a round ball filter from HKS and it doesnt make that sound...do you know if those filters are any good?
 
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