The stock set up is a dual hard line bolting to the turbo from the top. There are a couple of short rubber hoses that connect the hard lines back to the coolant system.

This page has pictures of the stock coolant lines about half way down.

http://lovehorsepower.com/joomla/ind...d=16&Itemid=21

My guess would be that something has happened to the hard lines and the PO either didn't want to buy new ones or couldn't find them.