Hey, I got the KM2 37's installed along with 4.5 rear bump stops. It's great. I took it out to a place where a friend "tests" articulation in the field, a very off-camber deep ditch, and I had no issues in the front, and in the rear only very light touching on the lower section of the inner fender, and probably just the slightly more aggressive tread of the KM2. So, even if I did flat fenders this would prevail. My friend who is very knowledgeable said I would not damage the fender itself as is and said if anything to just "notch" the area where they touch, but he said he would leave it along. My only other option would be to do the 4.5 lift and I really like the 3.5. I'm anxious to do some good wheeling and hope my articulation in the rear doesn't suffer, but it seems ok in that ditch! By the way I saw some of your pictures of where you wheel, wow, truly awesome, wish I lived out in your parts! Take care, John.
2014 JKUR - AEV 3.5" - 37" KO2
2015 Ram Power Wagon - To Be AEV'd