Subjectively it was a remarkable difference. Before the sound proofing people had a problem hearing me on my bluetooth at 60+MPH. Now no one hears any "wind noise" when I am talking to them. It got rid of a lot of the road noise. The tire noise is still there. You can now hear the pinging of the tires when you hit rough cracks in the road, but not very much true road noise. I also agree with the previous post. I was told there is a lot of padding in the front wells. I still might do it just to see. As you can tell from the data collected a lot of the noise is still coming from that area.
Troy
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