"crock of sh~t"
The engine only pulls in as much air as it can. That's why it's called naturally aspirated.
Now a conical filter on the stock MAF can cause stumbling problems but I am sure your SEARCHED and found out that by rotating your MAF you can help alleviate the problem.
Also in that SEARCHing you surely found out about cleaning the MAF element and the fact an oiled cotton gauss filter tends to increase it's service interval.