[s-cars] MAF screen removal-please explain

[Dave Burig]

I've not seen an explanation of this screen removal mod.  I know how it
works, what with the hot wire being cooled by the airflow and all, but will
someone please explain (sorry if this is re-hash) how removing the screen
helps, and what the downside is of altering the signal from the MAF.  Free
horsepower? (even 5) Can this be so, and how is it done?

Dave B