Do performance air filters like BMC, K&N, Sprint let more sand and dust than OEM and is it worth it?

5:45 - the light test
9:10 - OEM filter test
10:46 - BMC / K&N test
12:31 - Sprint Filter test


We looked at automotive air filters and their efficiency on the Alfa Romeo Giulia and how the OEM paper filter compares to the cotton gauze styke K&N or BMC filters and the single layer synthetic filter like the Sprint filter