I was going to get mine done, not so much big wing, as for most cars this is a gimmick, but better baffling, but whilst my sump was at the place doing the(to do) the work it was spotted by a nameless person who works for a very prestige maker whose job was manager of the dept that turn road cars into race/rally cars, his advice was to my thinking as it was a very deep sump to do the simple baffling that was done, and forget about the wings, the oil cooler helping to add to any quantity of oil, he already knew I run the oil + 0.75 litre anyway.
tabetha