Disclaimer: I am not responsible for any issues that may occur if you try to do this yourself. This is only to show what I was able to do and how I did it. We have had our 2019 MXLR for about 10 months now, and I have been obsessed with trying to cut down wind and road noise ever since we bought it. I will say that our X seemed to be way more quiet than some of the awful sounding vehicles that I read about on so many Tesla forums. ***Gripes*** We had a 2017 Mazda CX-9 Signature before we bought our Tesla. The CX-9 spoiled me in that the ride comfort, cabin silence, and the manufacturing build quality were about as good as it gets. Don't get me wrong. We love our Tesla. It just baffles me that they were so far ahead of everyone in the technology that is in their vehicles and their forward thinking, but even after years of manufacturing - Tesla is still grossly behind most if not all other car makers in their manufacturing quality. They made a car that can drive itself, but they can't make all of the pieces of the car align with even gaps/spacing? I know there are bigger issues in the world, but a car as expensive as this should at least be put together correctly. ***End of Rant*** I will separate my door panel sound deadening project into a few posts, because I have a bunch of pictures from each step. I'll also include my 1 big goof up, so you all can have a good laugh at my expense and not make the same mistake if you try this project on your own car. Before I get started, I am going to disappoint many of you. I did not take any noise/decibel readings before, during, or after this project. The reason is that I did not want to see a difference on paper and have that difference skew what my big dumb brain was processing to give me some kind of placebo effect. I wanted to feel, hear, and experience a real world difference without tricking myself into thinking there is a change. ***SPOILER ALERT*** For those of you who like to skip to the end of the book first, you probably want to know up front if this project worked. YES. This did work for my vehicle. This is the most change for the better than anything else I have tried, and I would do it again in a heartbeat. It isn't silent in the cabin, but there is a very noticeable real world difference. The road noise more dull or muted than before. A surprising side effect is that the car audio sounds better too. It sounded really good before, so I wasn't even thinking about how this would change the quality of how my music sounded.