The first thing to know about RVs is that they don't do any homework or engineering. It's a poorly designed box slapped together by whatever meth heads they could find nearby to use a welder. Yes, there are better and worse ones, but none of them are really very good. In the era mine was made, headlights and taillights were essentially always adapted OEM DOT approved lenses from another vehicle that they thought would be appropriate for the styling. Mine used late 90s Ford Explorer headlights. Also used in others of that era were the early 2000s Ford Super Duty. My taillights came off of an early 80s Silverado/Suburban (I may upgrade those to LEDs if I can find appropriate ones that would look "right"). So, as far as the homework of the lens design itself, that was done by Ford. And Those late 90s Explorers in my experience had horrendously awful headlights. My 2000 Excursion did as well. So one of the first things I did on the bus last year (before we took it on a trip other than driving it home) was to replace the headlights with aftermarket replacements. These separate the low and high beam bulbs, with the low beams being projector, and highs are the standard 55W low beam (made by the lowest bidder, "AllCar" or something like that was written on the bulb). I have actually had pretty good luck with these sorts of aftermarket headlight lenses so I wasn't afraid to give them a shot. The low beams are projectors and, with the HID bulbs in them, really do a good job of illumination, just that I had them aimed too low. The high beams seem to be ok as far as lens etc. goes, but just insufficient brightness. Innovited seems to have done their homework as far as the position of the light coming from their HID kits, so other than a slight warm-up lag time, these should be fine. I have it wired now so the low beams and the driving lights will stay/turn on with the high beams, so I'll have "all" the light. The driving lights I have are Rough Country LEDs that fit in the existing holes. Those I find are quite lackluster but they do help some. Because of how the headlights are mounted to the RV (with cheap L-brackets and drywall screws going into the fiberglass front fascia) I could, if I wanted, get some different lights to put in. But that would require fiberglass body work and I don't think is worth it. I should have it figured out pretty well after these come in.