Does this bracket mount at factory attachment points?

Yes. This bracket bolts to the existing mounting locations on your RX350's front bumper — no drilling, no new holes needed.

Will I need additional hardware to install this?

Check your vehicle's existing fasteners at the mounting points. Most RX350s have compatible hardware already in place, but test-fit first to confirm what you have matches what the bracket requires.

Can I remove this later without damaging my bumper?

Since there's no drilling involved, you can unbolt it cleanly anytime. The factory mounting points remain unchanged.