1) Considering the OP talking about CORS, I feel in good company
2) The latest ad stuff is absolute garbage. Some of it gets through DNS blocking. Want money? I'll give you $5/year for fancy membership. Shit ads? I'll see myself out.
In my quick Google I came across https://www.superiorengineering.com.au/pinion-angle-measurement that tells the story pretty well. It's not the angle of the drive shaft so much as the angle of the faces of the transfer case output and rear differential
Those with only the soft top and without the hard top provisions would be different. Since you have both, I imagine you have the provisions for the rear wiper/sprayer so you can choose hard top.
No offense and perhaps specific to your market, but $3k for ceramic coating is kinda wild. That's at least partial PPF territory, AFAIK. With the pro-consumer grade ceramic coatings now, you could do it yourself at a fraction of the cost.
Me personally I would not want to give the roof any more opportunities at stress or dealerships an excuse. I plan to install these this summmer from StickerFab - https://www.stickerfab.com/products/ledge-protection-2021-bronco-2-door?variant=49563129676095
This. Work completely fine with OEM running boards as-is. Even if you raised them (which I highly suggest), still works.
I had IAG flaps that lasted three years but the hard plastic snapped in the cold winter. The hardware was also getting pretty crusty.
https://www.autostopeliminator.com/products/2021-ford-bronco-autostop-eliminator
No question. Full stop.
Others have been reported to heat up, cause downstream electrical problems, etc. Buy once, cry once.
I think you missed an install step to remove the little wing from the rear bumper end cap before install. At least that's how it was on the IAG set I had before.
To add my overall opinion... I had a full set of IAG's on for three years and one cracked this last winter. They are a harder plastic...