I had actually carried out some investigation on retrofitting headlights prior to purchasing these Aozoom D2S Bixenon Projectors. There are actually extra expensive systems out certainly there that come hand-tuned, yet I had collected that despite which D2S projectors you opt for, some tuning would possibly be actually required to make the beam of lights deadlines even more even. Bum raps to the AoZoom bi xenon hid projector are a lot longer, thereby triggering the ray of light deadline to become a little bit of inclined (instead of standard). However the premium overall is really good for the rate you pay for. I inevitably opted for these owed to the reality that my car is actually even more than 12 years of ages, and investing money on a higher-priced retrofit will be actually a little bit of a lot IMO. I just desired to escape halogen units and a drop-in HID kit that results in glare/blinding issues. The bi-xenon set I acquired create an appropriate cutoff and also have appropriate outcome. I retrofit these right into Captain WI-H5A H4 7X6 housings for my 1993 Toyota MR2 as well as have actually utilized all of them plenty of times on journeys driving fars away at evening in the center of the desert as well as they deliver a lot of lighting. The higher ray of light is excellent and also places mild right where you want it. Enough side to edge projection of light although maybe a lot better. Generally, my very first time retrofitting. Tolerable, yet definitely there are actually a lot better. I experience the deadline is sort of bent at the edges. Opening as well as closing back the headlamp along with a heat energy gun is actually the only ability needed. The moment you deal with exactly how to perform that, the installing is certainly not complicated in any way.