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Old 07-21-2003, 11:28 AM   #1
Mephisto318
Scooby Newbie
 
Member#: 12118
Join Date: Nov 2001
Location: Woburn, MA
Vehicle:
2002 WRX
Blue

Unhappy Need Help - loud whistle at high rpms

I've had a loud whistle sound coming from somewhere in the engine bay for a few weeks now. It only makes the sound when the car is moving and once the turbo starts to make boost around 3-3.5k rpms. My mods are AEM CAI and turboxs turboback. Stock uppipe. I checked the downpipe/turbo flange for leaks and replaced the gasket, no effect. Also checked the intake, couldn't find anything. I brought it to the dealer and they can't do anything for me because they cannot diagnose it while the car is moving. So basically this problem is up to me, and I need whatever input you folks can give. I would have thought it was an exhaust leak but I've never touched the uppipe and the downpipe is perfect fit. Thanks for the help.
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