sand

After trading in my JK, I went off road in my new to me 2021 4-door JLUR while it was raining. Got a lot of orange sand all over it and had some fun in puddles. It's been 4 weeks and sand is still coming out of the junction between the painted OEM fenders and the inner fender liner. I'm sure...

Looking to get a permit to drive on Assateague island this summer, should I consider getting any type of protection for underneath my Jeep? If so, should it be for abrasion or corrosion?