Originally Posted by DrD
from other posts on here, they can determine if the ECU has been flashed before - you are way better off bringing the car in as you have it than to try and be sneaky and return it to stock. (the point being if you mod the car and something fails as a result, Subaru shouldn't be footing the bill for the repair - pay to play...)
100% agree. Some respect that you are being honest with them and will work with you, others put up a wall and send you away. I'd try another dealership and see what they say. I'm not sure about the whole "red flag" either but they probably put notes about mods in the records for your car.
Btw, my clutch has squeaked like this since a few months after I got it in 2009. The only time it went away was after it got a new long block but noise returned 2k miles later on the same clutch. I don't worry about it anymore. It holds stage 2 fine and when it doesn't I'll pay for the new clutch.