[drivemusicnow]

We've all heard the new "anti K&N" arguemnet... (i hope most have...) but the foam filter in there is rather interesting to me.. it make sense, as long as the open cell foam is a very dense foam.. i'd think that if it was dense, it would still limit airflow at least somewhat. I think its a good idea, but i'm not sold...

And the oil-MAF arguement still exists that