These are the headlight modules that make your headlights flash for better traffic visibility.
I used these for one season and then removed them, now their for sale.
Eyewear Font Jewellery Body jewelry Monochrome
Comes with instruction booklet.
$65 includes shipping to lower 48. This will fit the 01-17 plus th F6B
Font Electronic device Monochrome Monochrome photography Audio equipment