I have the factory spray liner, but I also bought
the DeeZee heavyweight bed mat:
https://www.amazon.com/gp/product/B00OLVGGZM/?tag=fordraptorforum-20
It fits my 20 with no issues.
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I have bed envy. The strip lighting is a nice touch. I see you have the built right racks on the side, what is up front. This is the first bed I have seen with the jack and air without an invasive chase rack. What other bits of genius do you have hiding in there? With tie downs on the bed anchors you can throw a spare in there and some fuel... sorry I’m fan-voting now.