I hear you on the more capacity and all the other stuff too… but the little regular sized filter is about an inch from the fan blades at it is, i dont know how a bigger one will even fit in there.
I dunno if its all even worth it in the end. My motor is built and runs its balls off, a few extra microns of crap will take decades to kill my motor, where as bad gas, clogged injector, fuel filter, aux pump dies, tune screws up things like that can kill my motor in a heartbeat… those things are what are on my mind when I run it, not my oil filter.
Not saying your wrong, becasue your not… but to me it is a moot point for my ride.