If I remember right, the stock Dodge/Mopar filter is made by fleetguard but it uses the standard filter media. The stratapore uses a higher quality filter media. I've been using fleetguard stratapores from Geno's also. Allot of people will to tell you that all oil filters are the same or made by the same people but buy a filter cutter and you will see they are not all made the same. There will be variances in media from paper to micro glass, elements that are glued to end plates and others are molded into the end plates. Some filters will have glue rings or separator bands so the pleats won't bunch up. My feeling is you get what you pay for.
Regards, Mike.