Why the Fiat Ducato, Citroen Relay or Peugeot boxer? A Fiat Ducato van is an ideal base vehicle for your large campervan conversion. A Citroen Relay or a Peugeot Boxer will also work perfectly with our larger campervan conversion designs. Fiat Ducato Campervan conversions We have developed unique designs that work in the Fiat Ducato, Citroen