Procharger is a brand name of a supercharger.
Superchargers run off your belt system and use a pully to spin a compressor to force air into your motor.
Turbo uses exhaust gases to spin a turbine that spins a compressor and to force air into motor.
'04 Audi A4 Avant 1.8T 6MT
'04 VW R32 - (O:o)=R32=W====(o:O)