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Engine Whine That's Quiet But Audible - Normal?

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66
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24
Location
Pennsylvania
#1
Haven't had this car long, so just want to make sure this sound is normal.

It's the quiet but higher pitch whine that increases with RPM, but after about 3k you can't hear it over natural engine noises. Happens in gear or neutral, moving or stationary.

https://youtube.com/shorts/I1OuqlIzFUM?feature=share Here is a short 40 second example.

It almost sounds like a ghost going OoOOoO but a very shy ghost who doesn't want to be too loud, lol.

It's audible from inside and out, cold or warm. Only "mods" are symposer delete, resonator delete, and aftermarket filter in stock air box.

I'm guessing it's normal, just don't want to not ask and it be not normal.
 




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