2000 dually mud flaps, help?

[Black Cloud]

Just went to order the HD rubber mud flaps from the Dodge dealer for my 2000 3500 but they have been discontinued. So I called Geno's but the supplier has also discontinued the mud flaps with them as well. I see in the Geno's catalog they have a rubber mud flap for the '01-'02. Since its the same body style what would be the difference between the later two years and my '00. Also anyone know where I can order a rubber mud flap like Dodge offered.