Found a Cheap/Affordable Solution to replacing the Defrost Duct (s)

and hopefully to save some time on the next person trying to do this same thing. Some other products are as follows:

https://www.amazon.com/dp/B000CRFIKS/?tag=fabo03-20

Air Intake and Defroster Hose

Dorman Products - Search Results

NAPA sells it too, below are the NAPA part numbers. (This is all made by Dorman)
Comes in 6' length.
1.25"...813-1508
1.5".....815-1002
1.75"...815-1000
2.0".....815-1001
2.25"...813-1509
2.5".....815-5008
3.5".....813-1506
4.0".....815-5007
6.0".....813-1528