I have used Dynamat as well as less (very less) expensive roofing materials to accomplish the same thing. I have use doriginal in the trunk as well as the less expensive stuff. I have used Super on the 4 doors it is nice and thin. I have used spray noise killer on the inside of the doors for more sound proofing. Trunk lid strut towers do the rear deck lid under the carpeting on the inside of the car also do the trim pieces behind the seats they rattle bad. I have will post photos of some of my work here later today.
Dan
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