I just imported a set of coilovers from the US which exceeded $1000USD - I was charged 10% import duty and 10% GST.

Fortunately the seller agreed to understate the value of the goods, so I paid much less (but still a reasonable amount), but I had factored this into my calculations at the begininning.

Goods were shipped using TNT - once they landed in Oz, they called me & sent an invoice for the import duties, etc - I paid via phone and the goods were released the same day. No issues or problems.

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MY09 Evo X - 1.6bar@3500rpm - got lag?
Barbagallo - 56.03 (S); 1:08.09 (L)
Collie - 50.77
Possibly the most under-driven Evo X in the world??