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Discussion Starter #1
Recently did an EBPV delete. Now i have this weird sound only when i let off the throttle above 5 psi of boost. Sounds like its taking a deep breath or whooshing or something out the exhaust. its weird. didn't think anything of it until this weekend i noticed high EGT's pulling a trailer even on stock tune. More smoke than normal too.

I've been testing for boost leaks today using a gauge, boost leak detector, and soap, but haven't found anything. No soot that i can find on y pipe either.

Does this sound like a y pipe that could be leaking (they're about 2 years old) or intake plenum or ???? I'm basically outta ideas here ....aaaaaaahhhhhh... driving myself crazy.

Any wild ideas would be much appreciated.
 

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Discussion Starter #2
Pretty sure i fixed the issue. Found a loose boot and also found that the AIH delete plug leaked a little. Still has the noise, but EGT's seem normal now. Anyone have any thoughts on the sound?
 

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i get the same noise and thought something was wrong. now i think it sounds cool.

there isnt any restriction anymore and your just hearing more turbo noise.
 
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