I bought this to try to fix the constant extrusion problems I've had with my CR6SE since it arrived, the design of the bowden tube at the hot end on the standard hot end is very poor and I had constant problems with the tube kinking and obstructing the filament flow. It would work for a week or two then require stripping and a new tube fitting. A replacement O/E hot end was no better. Having replaced with a far better hot end - this one, that problem has been eliminated, but the was still suf...