Mike Thomas wrote on Wednesday, February 27, 2008 - 02:44 am:well unless its manufactured by amsoil it cant be the same because amsoils are patented so the best it could be is a very similar copy.
which ill grant you is probably fine. i dont use amsoil filters cuz they often dont have one for my car or are too expensive and hard to find.
but the oil itself is top notch.. cant beat it.