I heard a definite difference when I replaced the stock jumpers on my Harbeths with Audience AU24 jumpers. In my case, it cleaned up and defined the bass much better. But in a different room or with a leaner amp, the stock jumpers may have worked better. So the answer is - aftermarket jumpers may sound different, but are they better? That's what listening is for. It's got to be in your home with your system if you really want to get it right.
