Stage 2 differs with different tuners, but normally consists of the following to achieve the best possible results:
Better intercooler
Stage 2 software (obviously)
High-pressure fuel pump
TBE
Intake
Although Kevin at Revo told me that he would load stage 2 software onto my car if i had an intake and a TBE. But I think to reap the full benefits of the software an Intercooler and Fuel Pump is advised!
Someone correct me if the above is wrong
