Since all filters are not created equal , here is a little breakdown for you based on user exp here and what they are marketed as :
10k~15k OCI : M1 , Bosch D+ , K/N , New Purolator Synthetic , Amsoil EA, Napa Synthetic, Royal Purple
5k~10K OCI : Bosch Premium, Carquest Blue, Napa Gold , Fram XG, P1, Denso, Wix , Motocraft, German made Mann ( correct me if im wrong here guys ... )
3k~5k OCI : CQ red, Napa Proselect/Silver, Purolator Classic and the rest
Hope this helps you make a decision based on your application .
10k~15k OCI : M1 , Bosch D+ , K/N , New Purolator Synthetic , Amsoil EA, Napa Synthetic, Royal Purple
5k~10K OCI : Bosch Premium, Carquest Blue, Napa Gold , Fram XG, P1, Denso, Wix , Motocraft, German made Mann ( correct me if im wrong here guys ... )
3k~5k OCI : CQ red, Napa Proselect/Silver, Purolator Classic and the rest
Hope this helps you make a decision based on your application .