Looking to remove the spare wheel + raised boot floor, and lower the boot floor - can I do this?

Hi folks, I am looking at buying a Yeti which currently has a spare wheel fitted and therefore a raised boot floor - if I wanted the option of the lowering boot floor and taking out the spare wheel, for car camping, I understand that I need to buy a puncture repair kit and the polystyrene tray that it's housed in, plus I'd also need to source the boot floor that would sit on top of the (now empty) wheel well. The existing boot floor that sits on top of the spare wheel is not one of the variable ones - it isn't shaped to be able to lie on the bottom of the boot floor once the wheel and supports are removed. My questions are 1) Is the standard lower boot floor + puncture repair kit for Yetis with no spare wheel easy to source - and if so where would I get it from? And 2), is the wheel well in all Skoda Yeti's the same, or is the one with a spare wheel different, meaning I cannot easily just buy a standard issue boot floor to lower it? I intend on keeping the spare wheel setup most of the time but remove it and have a lower floor when I do a camping conversion (if that's possible?)