So i have just got my first RST S2 and am in love with her all ready

Just need some help on some parts which is on the car now =

1- Stage 2 tuned with GRS intercooler modes- what does that all mean ?

2- Stage 2 Electronic turbo boost-what does that all mean ?

3. Turbo Timer-what does that all mean

Cheers if anyone can help me out


RST RULES !!!!