**Update**
Soo, it definitely needs to be painted:
The center is very nice though:
I scuffed, dried, degreased, and dried:
Sprayed about 2-3 coats of adhesive promoter, then did the same with satin black (all light coats):
It's drying and looking really good. Thank you guys so much for your suggestions/instructions. I will post more pics after 24 hours drying and more once it's mounting. We're expecting a lot of rain for a few days. Hopefully I can squeeze it in during a dry period. These pics were taken and uploaded from my phone using Tapatalk so the quality might be decreased. The final pictures will be better though, I'll be sure of it.