In theory it should "tighten up" the rear suspension a little, forcing the front to articulate more. In the short time I've had my rear HD bar and links - SuperPro bought from www.cruiseroutfitters.com @cruiseroutfit - I've noticed improved on and off road handling for sure, but can't say I've...
I'm very happy to be a part of the reason that the rear bars are sold out! I installed mine the other day, and it is a very noticeable and welcome upgrade. I replaced my rear swaybar links (home-brew extended) with the HD SuperPro versions (sourced from @cruiseroutfit as well), and they are...