Lots of oils are. I used to use Magnatec (still have enough for one more service in my DD) but I now prefer to use Nulon because I think it protects the engine better and I'm 100% sure the engine will make a bit more power with it.
I think AEM did a test on OEM and non-OEM oil filters and found that the OEM filter performs the best. Vague claim from me I know but I'll see if I can find anymore information on it.

 
			
 
			
			 Originally Posted by Alvis
 Originally Posted by Alvis
					
 
					
					
					
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