I have already swapped the turn signals to 5000K LEDs a while ago and they do not hyperflash. Thank you though for replying mysvt. If you cannot get the side mirrors out, you could angle the side mirror in a way that theres space to fit two fingers and slowly twist the socket. That is how I did it.
2012 OEM+ Ingot Silver Metallic Hatchback w/ Premium Package & Sunroof