They didnt say. I think tranny.

squeak squeak squeeeeeeak
 

[ame="https://www.youtube.com/watch?v=bd5lSBsYg8E"]BRZ Clutch Squeaking - YouTube[/ame]

Is this the noise we are talking about? Mine just started doing this. 2015 BRZ, 33,000 miles. The noise is coming from the bell housing area. The video makes it sound awfully loud, but this was in a closed garage with the door open and the hood up. In real life it isn't as obvious.