They just pop out of the reference shroud so no cutting involved. I can push them back through if I need to RMA. The shroud on the reference has the letters cut out where the light logo pops into. I had to figure out a way to attach them to the hybrid shroud though and used doubled sided velcro. I think I may like the hybrid better without lights and may take them down though.
EVGA did an awesome job with the tubing; it looks really nice.