well it finally happened. customs charged me for importing stuff. i'd got away with it previously with purchases over $1000.00, but not this time.
had to pay just over $600.00 import duty for my turbo. OUCH!!!
so, based on the bill customs charged me, i made an excel calculator.
CUSTOMS.zip
fill in the blue sections and left click on the red.
NOTE: to be used as a guide only. it is up to the individual to check for accuracy.