I used this 60 LED tail light and I like it a lot better than the ugly stock light.
And it's a LOT brighter than the stock light too.
http://www.ebay.com/itm/Custom-12V-Cateye-LED-Taillight-w-Red-Lens-Harley-/401116641293?vxp=mtr&hash=item5d646a380d
I did have to add a 100 Ohm resistor to the...