This came off my 2010 Crown Vic police interceptor. 139700 mi on the car, approx 5000 on the oil. Looks pretty good to me. I’m always worried about the louvers but now that I’ve been cutting them open they have all been wide open.
Out: Havoline HM 5w-30
In: K&N 5w-30 & K&N HP1002 filter
Out: Havoline HM 5w-30
In: K&N 5w-30 & K&N HP1002 filter