http://www.andersonmotorworksinc.com/2005/conversions.htm
944 S2 Turbo
The S2 Turbo conversion like the 968 Turbo conversion, uses a stock KKK/K26 turbo. It produces 295HP at the rear tires at 7psi boost.
944 S2 Supercharger
Complete Supercharger conversion for the 8 Valve 944 and the 16 Valve 944S2. The conversion adds an honest 100HP gain to the rear tires over the stock motor on both models
968 Turbo
968 Turbo Conversion will add 60HP to the tires over stock motor.