FYI; Back in 1978 when I bought my 'Cuda for $1000, I found moisture between the mat and the trunk floor, and the trunk floor had started to rust. I pulled it out, treated the rust and painted it. I never put a trunk mat back in there, which is why I still have my original trunk floor. Even when there's no rain, I often find moisture under them.
Same here. When I bought my Barracuda 20 years ago it didn't have a trunk mat so I bought one. A couple of weeks after putting it in the trunk I lifted a corner up and the floor was wet. That mat has been rolled up on a shelf since then.
