Will this interfere with a trailer hitch or backup sensor?

This bar mounts to the rear bumper structure itself. If your vehicle has a hitch or sensors already installed, test-fit the bar before final bolt-down to confirm clearance with your specific setup.

Does this come with mounting bolts and hardware?

The bar itself is included. Check your vehicle's service manual for the correct bolt specification and torque values for your model year — hardware sourcing may be needed depending on your current bumper configuration.

Can I paint this before installation?

Yes. The bar ships primer-ready and can be painted or prepped before or after installation. If you paint first, mask off mounting holes and let all coatings fully cure before bolting down.