Automotive Sound Deadening with RAAMmat - Pseudoscience on the 2008 Subaru Forester XT
It is well known that Subaru vehicles are poorly insulated. Slamming the door of one is often likened to dropping a bunch of pots and pans on the ground - it's very 'tinny' to say the least. My forester was no exception, but I was recently doing a full stereo install, which meant that I had the doors taken apart to install new speakers anyways. Thus, I made the decision to 'deaden' the doors. Sound deadening is a term that refers to adding mass to a resonant surface (like a c
