I agree with NI5MO. I have spent some time looking into the actual legislation with respect to this matter both the overarching Act and the relevant Regulations. The offences listed on boostcruising have been in place since 16 March. There is no mention what so ever of these ridiculous impounds.
The Government cannot bring in 12 month trials starting in different areas at different times. How is that to be imposed if you are merely driving through an area with these supposed laws in place and do not reside there. Do you get out of your car before you enter the shire and take all the mods off, drive through, and then put them all back on once you are through?
I think this is a matter of people either misinterpreting the law (which is likely) or they are having a laugh and trying to get a reaction out of people by posting this info.
I fail to see the validity of such laws and as all have said this will create a back log in the Courts and prosecutions. If you comply with the regulations as advised by Qld Transport you should be fine.
Of course I could be wrong but I would bet my skyline that I am not.