Believe it or not I made my own about 2 years ago, the same as the one pictured in the link, a right fucking pain to make it was as well....................Or one of these bad boys - you could just tap the silicone hose, then you don't need to drill the compressor housing or fit a flange.
http://www.atpturbo.com/Merchant2/m...OD&Product_Code=ATP-FTG-010&Category_Code=BCS
(Thanks for the original link Fast Guy, I wouldn't have found these without it)