Turbo ftw lol
main things you need for a turbo set up would be
Turbo
Turbo manifold
Injectors
Oil feed/return line
Blow off valve
Intercooler+Piping
WasteGate
Dumptube/ some people use em some don't
Oil pan tapped for return line
down pipe
and an ECU to tune
boost gauge, oil pressure gauge...