Those things are probably the most seductive modification out there. Here's a picture of most of the filters I have tried over the years. Everyone but the pink fiberglass one was trouble, and it's no longer available; it's same-model-number replacement is paper and of very shoddy construction.
My understanding is that most filters are designed to work with a fuel pump. I have seen a lot of other folks have their problems solved by REMOVING a fuel filter, while many others on this board report no problems. The clear plastic inline filter filled up with vapor as I watched and shut down the motor--never really made it out of the driveway. That slick little micro filter held up with the spring is the most seductive and troublesome--you may get a few miles on it. My guess is that filters work ok for folks whose system is so clean that they don't need them. Also, I believe that some of their problems are related to the nefarious vapor pressure issue, as they provide a potential locus for bubble formation and blockage.
My advice: Don't do it! (Results may vary.)
Steve