o2 housing/cast elbow/dp flange?
 

just got my td04 today, but going to need to make downpipe. the exhaust housing is 5 bolt. anyone know where i can get the nec part to do this (ie: flange or o2 housing) to fit. it's a td04 from 02 wrx and the exhuast side is a 1b???? 5 bolt plate???