I was looking at some wide bore drip tips, because I love the airflow that i get from the one that comes with the tobeco mutation x clone. However, when shopping around I noticed that sometimes the bore is only wide at the top, and seems to be as restrictive as "regular" (for lack of a better word) drip tips where the tip meets the atty. ex:

Will this still give better airflow if its wide at the top and narrow at the bottom?

Will this still give better airflow if its wide at the top and narrow at the bottom?