Wanna take your Challenger further than the typical color flow build? look no further, our UCS color flow leds are brighter and last longer than the other guys. These drop in panels install just like your typical color flow boards but ours have a far brighter output to help your car pop even on the brightest of days. The UCS is our brightest color flow led out and is a great choice. These fit like a glove and install is a snap. Be sure to pick your year and With or without diffusion.