HI Mate
Welcome to tassie, you'll love it.
Firstly any car in tasmania need to be registered within 3 months or you will get a fine if cought.
Police have been big on hoon laws lately, but they seam to be ok as long as your not a dickhead about it all, so the screma is fine just be carefull.
Tuning wise there is a hand full of decent work shops here that dod an excellent job, so that is fina too.
Give us a whola when your down, should orgornise something.
In regards to track days, aslong as your a memember of a car club, there are drift and track events usually once a month or so, possible more oftern.