It requires a minor modification to the stock windage tray, there are pics posted here in one of the oil pan threads showing a couple examples of how folks made it fit. I have the Moroso pan, it was no big deal. Removing the old pan was more work than trimming the windage tray. If you do a google image search on "Lotus Moroso windage tray" you'll find the LT thread immediately. Reportedly the "gPAN" sold by Sector111 fits without trimming the windage tray.
HTH,
HTH,