Hello there, Many people have been trying to find that bar around. What I can tell you about mine is that, is an OEM one and got it at my local dealer, it even has a part number. The OEMs are available in europe and south america I'm guessing.
In the other side there are many of aftermarket ones around ebay. IMO they look terrible and cheaply made compare to the OEM ones I tell you this because those aftermarket ones are selled around here too.
If you get the OEM one keep in mind the the model of this bar is varies from 06-08 to 09-12 models and won't fit the US limited