Por-15, I have been using it everywhere on my build and am really happy with the results. I am very skeptical of any kind of body deadner/bedliner. The reason that i say that is that most rust problems i have seen develop underneath cars are due to the deadner cracking after time and trapping moisture underneath.
Go the Por-15
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
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