Thanks for the write up... Im about to do the same thing.
something like this...
easy and awesome, huge difference...u just need some extra 3m double stick tape because the mounting surface is concave, so you need to fill it up a bit...
but i'm very happy with the result
https://www.superbrightleds.com/moreinfo/aluminum-light-bars/aluminum-led-light-bar-fixture--low-profile-surface-mount/1683/#/attributes/2Where did you purchase the light bar?