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Discussion Starter · #1 ·
Okay so every so often after driving for a awhile when i let off the gas instead of hearing the whoosh from the waste gate I hear a fluttering sound. WTF is that sound?
 

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i get that too...i used to get it on my ng900 evrytime and i was told it is air coming back onto the turbo wheel....i dunno i think it had to do with my BOV spring was not set right...
 
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