Originally Posted by D45
I was messing around today and was surprised how dirty the drop in air filter was, after 5,000 miles
It was nasty, I was ashamed
Are the twin turbos sucking in that much air, I have seen some 10,000 mile old filters that weren't this dirty
It depends on where you drive and the air cleaner's inlet location.
It's rare for me to find myself replacing air filters due to clogging up/loaded of dirt, either.