Seriously considering putting a couple layers of butyl mat on the floorboards of Silver sometime this summer; extensive road trips seem to make the floors a bit toasty. Random Thought: Since sound deadner uses mass loading to transfer acoustic noise into heat, if I put two layers of <insertbutylmatnamehere> on the floorboards wouldn't that make the floors warmer? My knowledge of physics is limited to basic Newtonian concepts so I have NFI... And you are using the terk for what? Radio reception, its a dual tape deck/5 CD changer/AM/FM all in one unit. Reception is about a bajillion times better versus the coat hanger set up I had going on