Same thing. Took mine off to install RMM, never put back on. Maybe had it on the car a month, maybe...I took mine off this winter installing something and never put it back on. I was talking to my service guy to see if I would hurt anything when I was getting work done on my truck. He said all they are good for is soaking up water and mud and adding weight to the car. Now I'm sure they offer some very limited protection, but does anyone else run their cars without their belly pans? Am I risking something?
From what I know, most cars have them on to reduce drag to up the MPG's ever so slightly.