Kid Kimber, They are installed by the automotive sensitive tape, you probley can remove them but you would have to retape them every time, yes they seem very durable abs plastic and painted to match, removing them all the time might mess up the paint,you can see through them very well and when you wash your car as I did today you can clean some of the window through the slots and thats all you really need anyway , I made my decision to purchase these based on looks and that I would not remove them unless I had too and was okay with that, the other styles of louvers I didnt like they were bigger ( like the Roush ) and had those screws so you could remove them and I didnt like the look of that ( just my own taste ), and like the ones from Silverhorse racing that are flush mount look cool but you have to remove the whole window to install them , too much of a hassle for me, 10 minute install and you ready to go,I know you live up north and are considering all avenues but I think these would work just fine IMO.
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