I cut the lens from the housing and mounted the LED assembly from a semi-truck style light in the housing, wired it to the original bulb, and then sealed it up with black windshield silicone sealer. simple. LOL
I do not have the hyperflash after adding a Load Resistor
I wanted to mod the flasher module, but apparently there isn't one on the '12.
If you don't want to use a resistor, you could always wire in a regular 12 VDC light in parallel inside the trunk/sidewall.