2012+ is all proclimb chassis, 2018 got the new ascender body work. mountain cat, introduced in 2017 is the dropped chaincase. 8t drivers and 3" track. ive had no issues with my 18 ctec but i know they have done refinements since. biggest thing is sealing up the intake
^^^^yup, what he said....the 22's have the intake sealed from factory, we
'll see how it works....i think the mid-range torque/traction in powder is as good as anything out there