Aaaah didn't know they were half hood. That would trigger me lol. I would fully ceramic coat if it's the full PPF. If not, you could do a more diluted coat like Adams Advanced Graphene Ceramic Spray. It lasts about 2 years, with good maintenance. I've had great results with it. It's cheap, easy...
Idk how bad the factory hood PPF is; I only have the door handle factory ppf and yes, it does suck. Unless you plan on removing it and re-installing a brand new PPF on it, I would keep it. The car is a rock magnet and you'll get all sorts of chips on it. I would keep it until you maybe decide to...