I do a comparison of the short and tall seat for the 450MT. I also show you my 3d printed solution to the seat rubbers that fall off on both of these seats.
By them on the outie555 eBay store:
https://www.ebay.com.au/itm/205336986343?mkcid=16&mkevt=1&mkrid=705-154756-20017-0&ssspo=SQCGvEtsQdq&sssrc=2047675&ssuid=SQCGvEtsQdq&widget_ver=artemis&media=COPY