JPcycles does have some that are light/brake/turn and you could just replace the whole OEM part. So there would only be one fixture out there, instead of the odd added lower peice
I do like that idea.
https://www.customdynamics.com/billet-bullet-led-turn-signals-tail-lights#productSpecifications I also have been exploring the molded blister concept of the lights being mounted into the blister that protudes and is aerodynamic, a very art deco concept.
