I come across this on ebay tonight, what does everything think?
https://www.ebay.co.uk/itm/Renault-Twingo-II-SPOILER-Rear-SPOILER-Diffuser-Set-New-7711430748-/171869448340?hash=item280437a894
https://www.ebay.co.uk/itm/Renault-Twingo-II-SPOILER-Rear-SPOILER-Diffuser-Set-New-7711430748-/171869448340?hash=item280437a894