thats only for the pro system - which that only made 30 off.
the step 1/2 versions are ~ 4000. You can also buy some of the parts seperate, which can make it cheaper, depending on the whats is trying to be acheived.
Most of the decent builders/tuners in australia have there own setup by modifing the neo intake gear to run on the rb26 head - alot cheaper :-) Mine will be possible getting this next year, depending on how responsive my final setup is.