Best BI-Pass filter

There is no real "best" bypass filter out there. They are all good, but each has certain points that may make it a better buy depending on cost and application.

Look at the initial cost, the location you intend to mount it and ease of installation, does it have all the hoses and adapters, what cost are the filters and how often do you need to change them, etc. When it comes to filters, how easy are they to change with a limited amount of mess, since most are cartridge type filters except ones from Amsoil and a couple of others. Initial cost, how easy it is to install, and how much it will cost over time is what you need to look at.

Don't get all wrapped up in micron counts and such. Truth be told, all of them filter fine down below 5 microns, which is the border line in which soot particles start to bond to create larger particles. It is also the threshold size for particles starting to be of large enough size to create wear. Heck, most fuel filters don't filter below 5 microns and that fuel is going into very tight tolerance injectors. Whether one filters to 1 micron and another filters to 2 or 3 is not of any real importance except in lab testing scores. Wear metal particles are usually so small that they are not retained in a bypass filter. That is obvious based on how they are calculated and how they show up in oil sample results.... in parts per million. That is what you might call "trace" particles. Metal wear numbers rise over time in oil whether one has a bypass or not. Mostly a bypass is good for getting out soot, dust (silicon), and other contaminants that cause problems.

You forgot Amsoil bypass and the FS2500 in your list. Doesn't matter though. They are all good systems. Many of us are partial to the system we have just because we want to feel good about the one we bought. Not too many truck drivers are Tribologists (scientific oil specialists) and instead rely on what we read in the manufacturers brochures.