Originally Posted by Gunslinger09
Did you tweak the rear end maybe with the extra power.
I heard it right when I left with the car after install. So if the rear was tweaked it was tweaked by them.
Some guys on c5 have said it could be the belt.
I did change belts and tensioner. It is not a big deal. I can barely hear it and its only at 2-3k rpm...just want to make sure it is nothing serious if you know what I mean.