No. The kit rests on and is anchored to the vehicle without touching its structure or classification, so it needs neither approval nor a new inspection (ITV).
About five minutes. The floor, the modules and the boards go in piece by piece, and one person can do it without tools.
Yes. It comes out as easily as it goes in, and your Peugeot gets back its load capacity and its standard seats.
From 29 €. Each kit shows its price on this same page; the final amount depends on the bed you choose and the accessories you add.
The kits on this page are made to the measurements and anchor points of the Peugeot. If your van is a different version, find it in the catalogue.