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Old 08-14-2013, 06:54 PM   #25 (permalink)
luigi90210
A True Z Fanatic
 
Join Date: Apr 2012
Location: San Diego CA
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Quote:
Originally Posted by jburke26 View Post
Yup, I hear it all the time. I would suspect the reason some people can not hear it is their ears are not as sensitive to that frequency for some reason or another or their cars are loud as ****! Can't wait for my FI exhaust so i can junk this stupid OEM exhaust.
this is exactly what happened when i did the washer mod, now i dont even hear the drivetrain whine because the exhaust is so loud XD
Quote:
Originally Posted by UNKNOWN_370 View Post
It's the intake. Low humidity days where the air is feeding perfectly into the manifold. It gives off a low FI like sound. It happens more often when you modify the intake.
i doubt it is the stock intake, the whine OP is probably talking about sounds like faint belt whine(kind of like a supercharger) that is coming from the rear drive axle and diff

intake noise is more like this(go to 29m41s)

http://www.youtube.com/watch?v=/eNBz4DIY6E4?t=29m41s
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