Its the steel bumper bar behind the plastic fascia visible bumper. Yes, the base plate replaces the Honda bumper bar.
Edit added, all visible Honda pieces are replaced untouched/untrimmed.
Beverley and Ken
2006 Winnebago Outlook 29B E-450.
2012 Honda CR-V AWD
Blue Ox Aventa LX tow bar and Brake Buddy Vantage.