Bull Bars Save Lives - So Stop the Govt ...
as it currently stands there are no laws against 5 post (or any other) bullbars, Don't let the cops try and tell you otherwise, the only DPI rules are that there are to be no mounting brackets (for light aerials etc)
in front of the bullbar, and that the bar has no sharp edges or protrusions, any well designed 5 poster meets tese criteria anyway.
The Australian design rules state that the bar is to be no wider than the car, have at least 100mm ground clearance with a full tank of fuel and passengers on board and the height does not unreasonably alter your forward vision, ADR's override any state laws anyway so WA cannot legally outlaw them it has to be done by the federal govornment
that's my 2 cents worth anyway