Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
I work for Prestige Sunroofs and we comply with ADR rules your looking at about 2g for a roof in the ve depending on the size and bells and whistles you would like, best would be to give the store a call and have a chat if you have any concerns or questions
I could think of a heap of other things to spend 2 large on fellas, WTF?