Yeah,
I do not know where he gets his info from but wherever he did, he needs to get better informed..

Yes, you would leave the boss in for what he was looking for.
Removing the boss just made him lose port velocity & low RPM power, just what he says he was looking to gain, more power down low.

He does not put in lumps, he says lumps are for high RPM power, that is why he did not want to put them in, he is not racing or want higher RPM power, hence he removed the boss he put 8 videos on YouTube .
I would not recommend to use any advise from the vids, for the most part.

MBHD


12 port SDS EFI