This topic comes up in the local media from time to time, but given the chances of hitting a Kangaroo (even in the city limits) vs hitting a pedestrian, there will always be demand for them. Most of the smaller bars won't do anything to protect you from an animal impact any way, there's often made from extremely thin steel. I took the bar off my first van and it was amazingly light probably less than 0.5mm tube, it's probably a softer collision than with the vehicle bumper.
There's also a move toward composite bars that work better at protecting the vehicle than alloy bars, while being pedestrian safety tested:
Pedestrian and Occupant Safety
That website also shows that vehicles fitted with steel/alloy front bars increase the risk of occupant injury.
Quote:
Originally Posted by Baltothewolf
I personally like the look. My little brother and I were going to design one for my insight, until we remembered the frame is aluminum and we don't have the equipment necessary go weld to aluminum.
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These aren't generally welded to the frame, they use existing mounting points.