I found a link describing what you would need for a saab turbo kit.
Keep in mind I am only selling the Turbo + exhaust manifold.
Saab turbo kit description
"2003+ Saab 9-3 set up:
-Saab 9-3 turbo manifold
-2003+ Saab turbocharger(both low and high pressure turbo will work)
-turbocharger oil/water lines(inc. banjo bolts)
-Saab turbocharger cold charge piping(for going under the engine)
-universal intercooler kit
-universal intercooler(28"x6"x2.5" fits perfectly behind out bumpers)
-injector harness(repin to stock)
-trifecta tune(all years), Ls2edit(07+)
-MAF pipe(i recommend buying a bung from OTTP and having it welded on your piping or call ZZP and have them make u a MAF pipe)
-custom intake or run a mesh filter
-gaskets for turbo, manifold, and downpipe
-aftermarket blow off valve(the turbo has a built in one)
-2.5" catback exhaust
-PnP turbine housing
-high pressure turbo from the b207r saab engine
-2.4 intake manifold/Saab 9-3 intake manifold
-LNF intake manifold strongly recommended"