http://www.zspeedperformance.com/SCE-Embossed-Copper-T-25-T-28-5-bolt-Turbo-Outlet-Gasket-9461.htm?categoryId=-1
http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Store_Code=TP&Product_Code=ATP-GSK-016&Category_Code=
I like the sce gasket, thick copper, seals very well. :)