1. Fram Ultra, e-z to get, best filtering, silicon adbv, low cost
2. Amsoil EAO and TRD: These look similar, and I'll assume they are. Both decent but cost more, like Royal Purple filters.
3. Wix XP and NAPA Platinum: Same filters, only labels are diff. Not great inefiltering efficiency, but OK.
2. Amsoil EAO and TRD: These look similar, and I'll assume they are. Both decent but cost more, like Royal Purple filters.
3. Wix XP and NAPA Platinum: Same filters, only labels are diff. Not great inefiltering efficiency, but OK.