Will this bolt directly to my existing bumper cover?

Yes — this bracket mounts at factory points. Your current bumper cover should attach without modification. If you're installing a new cover at the same time, verify its mounting holes align with the bracket before final assembly.

Do I need any fasteners or hardware to install this?

You'll need bolts to secure the bracket to your frame and attach your bumper cover to the bracket. Check your OEM service manual or the cover's instructions for the correct size and torque spec — those details vary.

Can I paint this bracket or should it stay black?

Paint is your call. If you want it color-matched to your bumper, sand it lightly and prime before painting. Most people leave it as-is since it sits behind the cover and won't be visible.