Quote:
Originally Posted by Sanford
I just inspected the doghouse on our Challenger. Factory did a neat job of installation, but the material is thin. I've ordered the Dynamat kit to upgrade. Should I remove the factory material before installing the Dynamat?
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As long as the factory insulation is stuck good I wouldn't take it off. My insulation was on good but the foil tape was in bad shape so I removed it. To get better insulation and coverage I filled in the gaps in the factory insulation with Reflextix using 3M spray adhesive. I suggest you use some large poster paper and make patterns first, it helps to get a better fit. Also it's easier to cut the insulation with a good pair of scissors, doesn't cut very well with a box knife.
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