Well, that installation definitely gets high marks for generous slope
but............wow, it is ugly!
Definitely not something you'd want visible from the street.
Depending what color would be best for your installation you could use
black ABS, grey PVC or white PVC or even factory painted downspout.
It's the slope that's going to do the trick for you. Before spending
for new material just cut & raise the existing setup & see if it
works. For temporary trial you can block under the horizontal run at
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