Have your saved searches on eBay gumtree etc you'll eventually get a good quality barrier for $200.
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And if you're really lucky you can pick up a GU one from the likes of Avis car rental for $50 ;) ......... I know I did a couple of years ago, came up on gumtree after they were decommissioning some rentals from the mines and I swooped.
Just got one from a GU for $180. Haven't tried fitting it yet, car is at mechanics. Will post verdict on fitment.
Try gumtree or allclassifieds, I bought mine brand new for $60 including brackets for both front and rear mounting
Have had the following in both patrols at various stages of their lives
early toyota prado - needs to go to the floor mounts. PITA to adapt, pig to get out (basically through front doors with seats tipped)
97 subaru forrester - easy fit
toyota kluga - easy fit. doesn't cover can dimensions effectively though
crapadore - early V series - easy fit. needed prado straps to get it right. inverted to that it inclines to front at top of bar (in the shorty), flipping it the other way took up too much interior space
TC(?) magna - wagon easy fit, a few gaps near turret