Sadly, after 1,300 miles I'm selling my 2023 MYLR and getting a Model 3 because of this issue. To make sure it wasn't just my car, I went to local gallery and test drove the Y and the 3 back to back. Immediately, I noticed that the demo Y had the same low frequency boominess (30-35hz resonance per the Spectroid app) while the 3 did not. I've tried vinyl tubing (5/16" and 3/8") as well as 3d printed stoppers - nothing helped with the low frequency resonance. Life's too short to drive cars with issues that bother you.
In early May I went for a test drive, with a plan to order a MYLR. Having read about booming on the forum I was aware it could be an issue, but was thinking most MY did not have the issue, and was hoping that it would not be bad.
When first driving away I was paying attention to a number of parameters, and the booms did not rise as an immediate issue. However 30 minutes into the test drive I had a headache from the booming.
On return I asked the SC about the noise, and was told he was not aware of any noise issue with model Y. Pushing harder it was acknowledged that some people have “sensitive hearing” and should not buy the car. I was also told all MY are the same, the acoustics are inherent in the vehicle, and there is no “fix” for a problem that officially does not exist. I took a second test drive to make sure I was not over reacting to a false perception. Nope.
My F150 actually is quieter and a smoother ride. I am a lifelong bass player, in no way could my hearing be characterized as “sensitive” to low end rumble.
I drove the 3023 Model 3 SR, and was immediately impressed. Not only was there no booming, but the car was also significantly quieter. The car driving dynamics were also much more to my liking. So I took one home.
I was very glad I took the time to test drive the MY before ordering. I went from really wanting one, to no way would I purchase one. I am pleased with the M3 choice.