XtremeVision HID Xenon Replacement Bulbs - Bi-Xenon H4 / 9003 5000K - Bright White (1 Pair)

I installed these in my 2010 Mazdaspeed3, which does not have the factory D2S bulbs, but after market H11 HID conversion done by the previous owner. Luckily, the bulbs are very easily accessible in the engine compartment. No need to remove the bumper or headlight housing. Installation was a snap. Remember to disconnect the negative lead from the battery (safety first!). Twist counter-clockwise and pull to remove the old bulb, unhook the 2 wires, then do the reverse to install the new bulb. I did wear nitrile gloves in case I touched the bulb. The biggest challenge was finding an angle to insert the bulb without the bulb touching the housing or any other dirty part near it in the engine compartment. I worked slow on the first bulb (driver's side) to make sure I did it all right and kept it clean. Took about 20 minutes (including the time to find a clamp to hold the wires from the ballast within reach and so they didn't fall into the recesses of the engine compartment) for the driver's side, then about 5 minutes for the passenger. There was no danger of the wires falling out of reach on the passenger side. They fired up fine! Most of the negative feedback I've seen on these are that the specified 6000K color temperature isn't really light blue. It maybe very slightly blue, but to me they are a perfect bright white, which it what I prefer for better download illumination. I'm not very familiar with color temp, but I think this looks more like 5000K, so if you want more blue, go with higher temp than 6000K. The bulbs have been in for about a week with about 300 miles/6 hours night driving. No flicker, no dimming, just clean and bright performance. And at $11.99/pair and free shipping, these cost less than a single basic H11 halogen bulb ($15.99) at my local auto parts chain stores.

I've tried so many HID bulbs over my years of installing. A lot of companies don't protect the beams during shipping, and you might end up with bent or non-working bulbs.This company seems to take pride in their products. The bulbs arrived in a hard plastic protective case. They work flawlessly after installation and first start up.Will update as the time goes, let's hope these are the bulbs for us wanting quality HID's.

Easy to install, perfect fit and too bright for me! I highly recommend this product. Fits with my 07 Lexus IS350.

The low beams are nice and bright, so is the high beams but the low beams are a clear white and the high beams are a orangish-yellow.

I had this Xtreme Vision light conversion kit installed in my 2017 Pilot when I purchased it and didn’t know until one of the lights was out and I went to replace the bulb (not the issue).I ordered replacement bulbs on Amazon. Received them quickly (next day) ~ gotta love Amazon❤️‍🔥 ~ and there was a product issue. The issue is that the locking tabs on the replacement bulbs are different enough from the original that they won’t install unless the gasket is removed. I believe it’s because they are thicker tabs. So, I attempted to trim the plastic and it was going well until I accidentally snapped the bulb (my bad…🤦‍♂️), but, why did the specs change? Very frustrating…so, I removed the Xtreme Vision conversions and went to Auto Zone to purchase bulbs that fit to the factory-style connector…they are actually much brighter! Also, I’m happy to reset my vehicle to common, easy to find and purchase headlights!! Arghhh

I was suspicious of the price was happy to find out the quality of the product great price fit well easy to install

Looked really good when I installed them. Good bright color during the day. When it got dark I went around the block, the lights looked good from the outside but they were definitely Green on the ground. Bright enough but didn't blow me away. I normally get leds (my last 4 cars had em) but wanted hids in my projectors. Not impressed.

Just clip one of the three plastic key tabs and it works great.

Only last 10 days

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Died relatively quickly, and did not last at all needless to say I'm disappointed.

Specifically bought these because they were 4300k, however once I installed them, it was clear they are not… even though they are label and advertised as 4300k, they were bluer than the 6000k burnt out bulb I was replacing.

Bi xenon?? I only have one beam pattern have the harness and everything but no matter of I have high or low beams on its still only low beam output