Quote:
Originally Posted by Lithium Lotus
I just had the GMPP intake installed, and I'm hearing the same noise too. It does sound like a chug sound right before the bov whistle. It sort of sounds like something is rubbing against something. Do you guys have that heatshield attached to the filter?
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All the sounds you hear are normal, that chug sound is most likely the bov abruptly closing. I heard that too when i hacked the stock airbox.
