Do I need fasteners to install this?

This assembly mounts at factory points, but fastener type and quantity aren't specified in the product data. Before installation, verify what hardware your vehicle uses at the grille attachment — you may have what you need already, or a quick hardware run may be necessary.

Can I paint over the matte finish?

Yes. The matte dark gray is a ready-to-install finish, but if you want to match your bumper or customize the color, standard automotive primer and paint will adhere to the surface. Light scuff before painting is good practice.

Does this come with the lower grille?

No — this is the upper grille assembly only. Your factory lower grille stays in place. It's a direct swap for the upper section.