Do I need hardware to install this?

Hardware is not confirmed with this bracket. Source bolts and fasteners from your local supplier or contact your dealer for the exact spec — installation typically uses standard metric fasteners at factory points.

Does this need paint before I bolt it on?

This bracket mounts behind your bumper cover, so paint is not required. Install as-is and let the cover do the talking.

Will this work if my bumper cover is already cracked?

This bracket supports and holds the cover in place — it does not repair damage. If your cover is cracked, address that separately before installation so the bracket can do its job properly.