Flange:
http://www.atpturbo.com/Merchant2/me...egory_Code=FLS
...or if you wanted to be a baller and opt for a v-band setup,
http://www.atpturbo.com/Merchant2/me...egory_Code=FLS
Gasket:
http://www.atpturbo.com/Merchant2/me...egory_Code=GSK
Hopefully, that is what you need. It just appears to be a generic internally wastegated T3.