^^^ pretty much make your own with a cone filter and some piping from auto part store. the big companies have there name and possible actual testing but none of them make any huge gains. So to me I just went my own route.
Granted it's just a tube with a filter, aren't the name brand ones carb legal? Also, aem only lists that theirs fir 08-11, is there a fitment issue with the 12+?