Thats the wix on the left , I stopped useing the amsoil filter a few years ago ,I now use the spectrum from orillys auto , it just fits in the end of the turbo tube & lays on the interfender , clean it ever few months had the same filter for a few years now even on my road trips to Alb two or three times a year ,I make sure it's clean before I go & just check it when I get home :thumbsup: