The noise is 100% normal i also have the TRZ combo but i get the same sound. It is just the sound of you diff and clutch being tranfered through a much more firm mount. You are fine, just turn up the radio or open tue windows !
The noise is expected. I had the TRZ and now the Medieval mount and both have that whine.
You should have that much noise, but Tru-boost is rigth about where the noise is coming from
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