You wana hear my 2cents, finding best full flow is important to point but if you go Wix xp, royal purple, fram xg, Amsoil you cant go wrong but if you worried about filter efficiency your looking at wrong filters. You should really consider bypass filter setup that will get you to the micron efficiency you want.
16 Silverado 2500 6.6 Dmax
15w-40 Mobil Delvac 1300 Super /w 3k mile interval
Fram Ultra XG9100
Filter Mags: Fuel filter, Allison and engine.