Yes, I know. I was referring to ANY clear lens being suitable for projectors (cheap plastic or glass - it doesn't matter too-too much because it's easy to swap). I know non-projector HID kits generally ran fluted lenses (just look at old acuras, and MBs); however, here in Canada we have an Acura CSX (a whored-up civic) that runs clear reflectors with an HID option (so it can be done).
I know about the Sylvania X6054 issues as well. The first gen had a huge blind spot up front (which is probably why Sylvania kept upselling them along with their X1010 Aux HID lights). The second gen was a bit better, but people were still complaining about hot spots along with poor light output (which is probably why they don't sell them anymore). Regardless its failings, it did use a fluted-type lens to - most likely - help it achieve it's dot approval. I'm not exactly sure how good or bad the X6054 kit was, but I believe Kittrell's running the 1st gen kit; you can ask him about it.
So anyways.... if you're doing a non-projector HID retro it's best to err on the side of caution by using a fluted lens; however, if you're planning to do a projector retro fairly quick, than you could probably get away with a clear lens for a short term (like the Acura CSX) to save a few bucks..
