Let me preface this post with the following statement: The following post does not change my high opinion of the 297C. After reading several posts on this very subject you would think after a year and a half Cat would have fixed this by now. It took me 5 minutes to figure out how to fix this but I am going to make Cat fix it and if they can't, then I will. This is after only less than two hours out at the track last week in its maiden voyage. The cover that holds the cab filter in place is not even putting pressure on the filter to seal it against the duct, also the hole that the filter goes into is too tall and doesn't line up the filter properly into the duct. I can't believe Cat would release this lousy design on how the cover attaches and holds the filter in place. Easy fix, but I want to see what Cat comes up with. Plus the tracks throw dirt right into the inlet cover, what are they thinking, that these things are not used in dusty conditions? Also, where the cab closes down on the ducting down by the blower unit as you can see from the picture, there was no seal what so ever. I am speechless. I had no problem with the oil leak, those things happen on the assembly line, but to not fix what seems to me to be easy fixes on these air inlet issues just leaves me speechless.