The first project to tackle on the Bullitt was to quiet down the noise in the cabin. The Nitto tire upgrade helped calm road noise at the source quite a bit, but the drone of the exhaust quickly grew tiresome and my four- or five-hour drives were draining. I have used
Dynamat Extreme before on my '66, and it is just a great performing product.
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Amazon sells boxes for about $130 shipped, which is a great price.
Each box of Dynamat weighs 20 pounds. |
I removed the seats obviously, but did not completely remove the center console because it wouldn't come out without lifting the hand brake handle straight up and that wasn't happening (without breaking something). Use work gloves to avoid Dynamat's death-by-a-thousand-cuts syndrome, and a small roller or stiff plastic bottle helps flatten it all out. I did this in 90-degree heat, which helped the product lay out easily, but was pretty uncomfortable for me. :)
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| Dynamat on the driver's side, |
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| and on the passenger's side, |
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| and under the rear seats, |
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| and in the trunk. |
I used almost all of two boxes. I'll buy a third box here shortly to finish the trunk, and then do the rear shelf and roof. Not sure I will do the doors, but probably will if I have some product left.
So far, the cabin is quite a bit quieter. I'm kicking myself for not using my iPhone's decibel meter app to give concrete numbers for before vs. after, but the improvement is very noticeable even though I'm maybe 2/3 done with the project.
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