My Model 3 is currently in the shop right now. Fit & finish items going on 11 months, but that's another story.
I did not want to modify my Model 3 without giving Tesla another chance to address roadnoise and ride comfort feedback from many customers including myself. They will not perform any mods to the car (no seals, sound dampening); no surprise there.
What sorta surprises me is the lack of a comfort turned suspension options for customers that don't void Tesla warranties. Also, not offering to do anything about obvious HW roadnoise issues. This car is too loud at 70 mph on the freeway with the tires on an uneven pavement. I think the Model 3 has to be in the top 5 loudest $55-60k car you can buy on the highway; sounds almost like a honda civic on the freeway to me.
Granted with all that being said, this car is still the best product I have ever owned. We are all just trying to make Tesla and the Model 3 even better.
When I get the car back next week, I'll re-look at 1) Roof RPM seal 2) Door seals and then 3) Nicoing the front doors. I think I'll test dbs on i90 using my phone before and after each of the 3 items.
Before I start #2, ideally someone whos tried the seals could tell us it's worth doing NO questions asked. Can anyone say that?