If it weren't for FordPass points from the purchase of the truck, which covered them completely, I definitely would've gone that route or maybe line-x.
The liners have a little bit of a lip that curves toward the bed that should catch most things from making their way in between the liner and...
I picked up the OEM wheel well liners from a local dealership today and threw them on when I got home from work. FordPass rewards FTW.
Also - CravenSpeed Stubby antenna.
Before
After