If its supposed to be oiled, its going to be rather useless without the oil.
Even with the oil, I wonder. A while back, Project Farm, on YouTube, tested automotive air filters. The K&N (oil covered fabric material) was pretty poor at stopping particulate even with the oil. (But it did flow very well)
Even with the oil, I wonder. A while back, Project Farm, on YouTube, tested automotive air filters. The K&N (oil covered fabric material) was pretty poor at stopping particulate even with the oil. (But it did flow very well)