I know this is an old post but I just got my Eagle Eyes installed and yes they are true plug and play and no bulb or housing modification. Just reuse your gaskets from your stock headlights and it is sealed and tight(no silicone needed). wvyankee2, did you find a good place mount your ballasts. If so can you explain or send a pic. I was in a hurry and just kinda zip tied them up quick so I could look at them.
2010 Teryx Sport Green
J Strong top with Green LED accent lighting
J Strong folding windshield
Catvos 3" lift w/ front and rear arched arms
29.5 Outlaws skinny/wide (for sale)
Optima Yellow Top 3478