I think it would feel shorter and trench much more because it is shorter and stiffer. It would hook up well though. Why are you doing this? What do you want?
I know 16x146 xp is apples to oranges, but they do as well as a 155. Had a M sled will a 141x2.5 it worked about as good as 153 before the PC track came out.
I'm a smaller guy, the shorter sleds are more fun to ride,jump,etc.
The new peak track looks like it has the same layout as PC.