Car is a '99 Camry 2.2L (112k mi) with a Derale external oil filter installed on the A140E trans. Using a Supertech ST16 filter for about 10k miles and 8 months and this is what it looks like. This is the first time I've cut open my oil filters and I'm guessing all the dark material that you can see is friction material from inside the transaxle, am I correct in assuming this? Fluid was fairly dark before I ran a few gallons of Supertech Dexron through it to get it cleaned up. Now that the weather is getting colder I've noticed that when first starting up the car that it seems to take a few seconds (5 sec?) for the trans to fully engage during which it feels like the trans is slipping. I have run Lucas transfix in it, though probably only a 1/4 of the bottle, I may be adding more to see if it helps any. The ST16 was replaced with a Fram XG16.