I installed my pro spoiler on my 2018 myself because dealer and body shops refused to install. Betalink was a pain in the ass and was recommended. I did it because I drive 160 from time to time, and having it fly off would be inconvenient.
I have a CS now. I think the spoilers are the exact same height off the trunk, and the geometry is nearly the same, but the CS is further forward. Looks like it's installed with the same adhesive tape the stock non-pro spoiler is attached with. Having removed the stock one off my 2018, the CS spoiler ain't goin' NOWHERE (i.e. that shit is STRONG)
Shawn
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