increasing sound insulation?

[mhkritzinger]

Originally Posted by swidd

I got b-quiet for much cheaper than dynamat on eBay, its by most measurements the exact same material. It takes about 100 sq ft. to do the whole car. You don't have to do solid portions under the rear seat (no vibrations there). Suppose you don't have Home Depot, but dirt cheap rubberized roof insulation material will do the same job.

For heat problems, look into the A/C low pressure return line insulation mod.

I also am planning to do what you did on your Yaris! Just wanna know if you only put the b-quiet on the outer skin of the door or did you put it on the inside skin and outer skin of the door here the speaker is??