Will this reinforce bar work with my factory bumper cover, or do I need an aftermarket bumper?

This bar is designed to work with your factory bumper cover. It bolts directly to the OEM mounting points and supports the original cover without modification.

Do I need to paint this before installing it?

Painting is optional. If you're going for a clean look under the bumper, you can leave it unpainted. If exposed to view, primer and paint will help prevent corrosion over time.

What hardware do I need to bolt this on?

This assembly does not include fasteners. Use the existing hardware from your OEM bar or source OEM-spec bolts that match your vehicle's factory reinforcement point size—your dealer or service manual will confirm the exact specifications.