I used to buy 15$ Napa Golds until I started to read this site.
Now I pay about 7$ for the same thing by buying a Wix at a jobber.
NAPA Canada is great, if you buy per their specials only. I can't remember the last time I've seen their filtration products on sale, though.
Plain, simple Garak.
2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Wix 51356
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515