Originally Posted by Head2Wind
What are the issues with the 2013 box? I do know that the 2014 box changed, something about some re-enforcement ribs. I have been talking with UNIfilter AUS and they state that their filter that was specifically designed for the 2013 box is going to get slightly modified to accommodate the changes of the 2014 box..... and that the goal is that the filter will still work between the two versions of airboxes.
There were some reports of plastic warping due to heat and dust slipping through into the engine. Hence the Uni filter. If KTM solved these issues with the 2014 box however, I prefer updating the OEM parts over the Uni filter.