We have a winner. Thanks so much...
Thank you very much Pat. I will call around.Here is great thread from epi79 showing the parts that bwsteg is talking about.
There is a lot of pics and part numbers there. This part number is 08f03-SHJ-110
They are OEM and '07 was the last year Honda made them since '08 was a slight re-design.
OP, I think you will have to call around the dealerships to see if anyone has that rear OEM lip in your color.
I also found this.... $269 at Bernardi
Honda Underbody Spoiler - Rear (Odyssey) - Bernardi Honda Parts and Accessories
Pm'dnone of the online dealers will ship to ny i have a friend who works at honda and can source the part for you pm me if interested