I was reluctant to cut into or change the dustcover because I've seen a fair number of RR/XR with moisture in the headlights. So, I went with a RR/R specific Clearwater Darla auxiliary kit instead. Not the best looking option, but I commute to and from work in the dark, depending on the time of year and these things Put. Out. Some. Light! 2,000 lumen low, 4,000 lumen high. When I don't need them, they detach easily half way down the fork. I had these installed at the dealership and it looks "factory". Pretty involved to do it right and hide all the wiring. Low beam setting can be adjusted on the fly with a dimmer attached to clutch bracket. Flip on Hi-Beam and you get all the juice automatically. Shut the bike off and they stay on with the tail light to give you a little lighting. Nice touch. I like the low mount of the lights. Gives solid field of light to see debris, road kill and eyes. Pricey, but worth every penny to ensure some safety.