I cut open a Supertech MP7317 that was in use for 8,000 miles and a little under a year on my sister's 2003 Acura 3.2TL. The oil used was Valvoline Maxlife Synthetic 5w30. Maxlife Synthetic 5w30 went back in with a Champ PH2867XL. The filter looked good and silicone ADBV was perfect.