I’ve been trying to find a speaker replacement as my rear speaker is blown due to my daughter jamming out too loud. I haven’t been able to find the right one. And I was hoping this would provide some answers.
Looking at this I would recommend these aftermarket speakers:
I did look the speakers up to make sure they would fit a 2017 Chevy Traverse. Being as you have already tested the factory speakers and found them unworthy, I would definitely recommend going with aftermarket rear speakers. Finally these Rockford Fosgate speakers are offered as a high-powered OEM replacement.