Originally Posted by sawzall
Our understanding is that the strap lengths are different (longer) in order to allow the largest degree of adjustment possible.
The problem with the mini harnesses is that some people had difficulties getting the lap belt tight enough. I'm sure that's the main difference.
While it is BETTER to get the quick fit pro, you CAN use the regular quick fit with a HANS. Just not optimal since the shoulder straps can slip off the bottom of the forks that come down across your collar bone.