The 16 is improved in this way with the new geometry. But the Kmod bracket helps further. I can't remember the exact numbers I'm sure wyo will chime in eventually a stock 2012 gained like 12 degrees of turning radius. A stock 16 will only gain like 4 but still significant.
When side hilling and at full counter steer a stock sled will stop turning so you can't lay the sled over fully. Add that extra ski turn and the sled lays into the hill that much further Anyone that has rode both a pro and a cat can tell you that extra turning radius is as big of difference as anything else in the sleds.
When I rode the 16 cat last year it was obvious that there is still plenty to gain on these sleds. The bars would keep turning but the skis would stop.
Install looks like a bugger but for $100 easily worth it in my mind.