I'm installing new carpet on my 240 and i want to lay something under neath it so i can keep to noise out, ive heard of dynomate(spelling) but its $90 for 24 sq ft is there anyother place that sells them cheaper
When you tear out your carpet you are going to need to do more than just add dynamat underneath. The floor f a car is where the most noise comes in from. There are several layers that you put down before you re-apply the carpet. Figure it costs $600-$650 or so fo a full install where you write a check and get the car back 2 days later.