Originally posted by posthuman63t:
I don't know if thats been tried....

I was going to use aluminum, and put a layer of Dynamat (or similar) on the inside walls.



Dynamat is a heat insulator?

I always thought Dynamat worked by converting vibrational energy from sound into heat. Wouldn't this then have the opposite effect we want?

3.0L 98.5 SVT - John Edwards 2008