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pretty much everyone used different materials, covered different areas and did a different project overall with each other. some used mlv, others used killmat, others used closed cell foam, etc. There are different parts of the car where the noise intrudes and its mostly , but not exclusive, on...

There is a whole resonant body underneath those carpets that resonates from rhe vibrations sent from the suspension to the chassis. The battery is not structural. It's attached underneath the body not covering the whole floor of course. Think of the car like a speaker and the floor as the back...

Well, hello! after many many many attempts, this did the trick. Rough asphalt and road noise in general is gone. Summer tires Michelin Pilot Sport T1 stock The other thing that made it was put foam in a spot in the front but i havent a photo yet. i'll take ap photo an d come back with details

You can't be serious about silver caps! Common air is 78% nitrogen and that's what your image says. Pure nitrogen is over 95% nitrogen and yes there are numerous advantages of using it such as thermal stability, pressure loss prevention but what's more important is this : the frequency...

Ha! I had an idea this morning. What if instead of changing the tires (Michelin pilot sport 4 235/45/18 T1), I exchanged the air inside with pure nitrogen? Well, I did it and it seems to do the trick! Much quieter ride!

The model 3 HAS suspension subrfames the same ones which hold the electric motors and are connected to the chassis with rubber bushings. This means that the shock towers are not the culprit and your perception of noise from the shock towers is subjective. But the choice of the rubber bushings...

I found a very nice article from a a mechanic about the sources of road noise. It seems right to the point. No matter how much dynamat you add to the whole car, you may fight acoustic road noise, but the majority is the conductive road noise from the suspension coming to the chassis. Just before...

The motors are new. Long range motors are hairpin motors vs wire motors for the old one. Efficiency is improved