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Discussion Starter #1
Hey everyone, so what is happening is that anytime I give the engine throttle there is this buzzing sound which seems to be directly connected to the amount of boost on the system. For example, WOT through 3000 RPM (5-10 psi) is unbeleavable buzzing, cruising at 2500 RPM (10 mmHG vac) on highway is very little buzzing.

Under normal conditions, such as ideling the sound is barely noticable inside the car. When hood is open sounds like a puttering sound from behind the TB/SC area.

Figure it might be an air leak somewhere ( since its more connected to boost that RPMS) but before I check all the possible leak spots I was hoping someone may have had this problem and can point me in the right direction.

Also, a while back I saw, either here on TCCoA or maybe on SCCoA a picture/diagram of all the possible air leaks. If anyone has that link please post it since I can't find it again and it would be super helpful. Thanks.
 

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do you have a custom exhaust setup..or loud droning in the interior of the car? my car rattles more then a car with the bass cranked up all the way because of my exhuast setup.
 

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Discussion Starter #3
Completely Stock Setup

The car is completely stock as of right now so it isn't an exhaust drone issue. Was thinking it could be an exhaust rattle but like I said it seems more boot dependant than RPM so I don't know.

The car is a 5-speed btw if ya'll think that makes a difference.
 
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