Hobie part #80019012

Just got my steering and rudder replacement part for my 2020 ti. I thought it would be fairly easy after watching the hobie video on YouTube. Not so much. No instructions and no videos anywhere to be found. It doesn't even come up in a search on this site.
The kit just doesn't fit for this replacement unless you start to modify it.

How is this part installed?

I am so disappointed with the lack of support from this "official" forum. New ownership since 2021 and no support and no parts available. I should have done more research before purchasing.
Over 1K unanswered posts.

Are these the instructions for the rudder replacement?
https://media.hobie.com/item_attachment ... CRsMCRoMA..
It's in the "Support" page in Hobie.com
Also, maybe post questions re the kayak in the kayak forum. The cat sailors don't know anything about the kayaks, generally.

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Yet another Bob!
"Firefly" - 2012 Hobie Getaway with wings and spinnaker
"Icebirds" - 1974 Skeeter iceboat
Too many canoes and kayaks