Yeah I've done the conversion. 10/10, would do again hahaha
Seriously but, depends how attached you are to your car and how much you've spent on it already. If it's near stock or has pretty basic bolt on stuff, better off just selling and buying a factory manual.
Things like pedal boxes, cruise/clutch switches and brackets, cluster software, wiring harness/plugs and even engine tune are different between auto and manuals. And that's before you even consider that there were changes with most of the above between some year models.
I went through MPW to do the conversion and Jeremy from JSB helped with the software side of things. There's ALOT more to it than just a gearbox and diff. If you want it to be completely seamless and function exactly like a factory manual, I would definitely speak to Adam from MPW and Jeremy from JSB cos together they got mine running perfect where everything works like it should to the point there is no way at all of telling it started as an auto unless you checked the vehicle ID.