If you're putting in a 6 or 12 SMD board in the trunk then you'd need that adapter or something similar. Otherwise it's just extra.
--Colin
2010 Genesis Coupe 2.0 Premium A/T w/Navigation Bathurst Black
Sequence-X Spoiler
OEM Foglights, DD 6000K HID Kit, Stage II LED Kit, Footwell LEDs
cp-e αIntake
RRM Next Stage Power Pro
SuperLux LED Tail Lights
2010 Genesis Coupe 2.0 Premium A/T w/Navigation Bathurst Black
Sequence-X Spoiler
OEM Foglights, DD 6000K HID Kit, Stage II LED Kit, Footwell LEDs
cp-e αIntake
RRM Next Stage Power Pro
SuperLux LED Tail Lights