I noticed your opinion of the "Decal" style of converting badges and I have to say that I had a similar one, however after buying and using these my opinion has changed dramatically. Obviously you do need to align them correctly but having fitted them and applied some heat to fully activate the adhesive ( advised by another member) I am really pleased. They are stuck on really well. Even a power washer doesn't lift them. These are supplied from Aliexpress. I couldn't locate any aftermarket red/white badges either.
Tony.