open cell foam, closed cell foam .... the product they are talking about is not foam :)
I dunno about heat, but I can say they do help with noise.
let's hear what 02Zetechse has to say.
Blue SVT 2002
Our Lady of blessed acceleration
Originally Posted by Black&Tan
But.... why read facts and investigate a claim when it supports your ideology?
...that should be written as 'The First Law of Internet Forums'