Hardtops do not typically replace soft tops, they are an addition. When you use a hardtop, you typically place the soft top in the down position, and then mount the hardtop on the car. Some owners...
You will need to remove the soft top hardware first. There will be 6 star hex bolts. You take them off and you should be able to remove the hardware. You will be down to metal on the sides. You will...
From what I have read on forums, you should probably use Krylon Fusion paint. I've been looking into this too for a cheap hardtop I might buy. Here is a link that I found helpful on JeepForum....