I think the Texas style one points the filter down so that it is easier to remove and the spin on filter should have a bigger filtering area than the stock one.
The Texas style is horizontal, not pointing down, but there's plenty of room to spin it off. It is a much larger filter than the original yamaha was, and it's easier to undo. The original yamaha style worked great when it was in a bike pointing to the side, but it's a little harder to get both the screw and the bolt out when it's tucked up against a firewall.
Mike
