I paid almost 900 for mine off eBay. Came with no wires, no GPS and no maps. I really like it and think it is a great looking headunit for the 993.
This one looks a bargain. No affiliation.
https://www.ebay.co.uk/itm/OEM-Pors...6:g:yBAAAOSwEfVcROqj:rk:5:pf:1&frcectupt=true
This one looks a bargain. No affiliation.
https://www.ebay.co.uk/itm/OEM-Pors...6:g:yBAAAOSwEfVcROqj:rk:5:pf:1&frcectupt=true