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TR2/3/3A Has anyone put sound deadening in a TR3. Were the results worth it?

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Not to hijack the thread, but has anyone header-wrapped their exhaust as an alternative to insulating the interior? Was it effective?
 
TR3driver said:
FWIW, I got what appears to be the same stuff from Home Depot as "water heater insulation". About half the price once you factor in shipping and I installed it the same day. Only on the floors and trans tunnel as yet, but I'm pleased with the result. Otherwise on long summer trips, the trans tunnel would get too hot to comfortably rest my leg against.

But I was primarily interested in heat insulation. My feeling is that, unless you have a hardtop, most of the noise comes directly to your ears from outside the car; relatively little comes through the metal. And I hate driving with the hardtop anyway (haven't had it on the car since 1989 and then it was only to move it) so I'm not worried about that.
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Randall, Agree that the major benefit is heat insulation. I used the Moss felt with aluminum skin product , along with the aluminum tape and high temp 3M spray adhesive to line the UNDERSIDE of the transmission tunnel (foil facing out). Then a typical carpet install with with jute underlayment. Dramatic temperature difference in the footwells and very comfortable even on the hottest days...and the noticeable sound reduction was a bonus.
 
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