insulation

Has anyone installed the sound insulation kit(doors,trunk,etc.) offered on the Korean Import site? Worthwhile??

Hi Folks, I've got a simple question I need help with from you Coupe 3.8 owners around the world. I've bought a 3.8 Coupe in Philippines and there is no sound or heat insulation under the hood. I'm under the impression that there should be some kind of fiber matting as it looks like there are...