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Discussion Starter #1
Okay, when I was using the Greddy PROFEC-B (gen 1) to run 10PSI I encountered a problem. When the boost hit above 8-9PSI, I would hear a "pssshhhhhhhh" from right rear of the car, followed by a boost drop from 10 to ~5PSI, along with a significant drop in power. It doesn?t do this at stock boost levels. I checked the hoses going into and out of the IC and cant seem to find any problems there. Any suggestions?
 

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pssshhhhhh sound to me sounds like a boost leak or a very serious exhaust leak... but an exhaust leak wouldn't let you make the boost and then lose it, have you done a boost leak check?
 

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Discussion Starter #5
not yet. I have a diagnostic appointment at Group5 here in San Diego on monday. I was trying to see if this is something i could do w/o paying someone else to do it. Im assuming its a leak at or near the IC since the leaking noise is comming from that side.
 
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