This page presents a compendium of the turbochargers that I have installed in my Audi S4 over the years.
Borg-Warner K03 Turbocharger – OEM for the Audi B5 S4

Borg-Warner RS4 K04 Turbochargers – OEM for the Audi B5 RS4

TiAL Sport R605 Turbochargers

FrankenTurbo F4H-BT
