KATANA H4 Bulbs, 9003 Light Bulb 400% Brightness 6500K Xenon White Extremely Super Bright Plug and Play Mini Size Fog Light,Pack of 2

Housing is plastic, but who care's if it works. These aren't as bright as some other bulbs I've tested, but that could be a good thing... also could be why they can get away without the aluminum housing those others have, because less bright = less heat.I like there is no external module to dangle or mount somewhere, just a short wire with the plug on it coming directly from the bulb.2 things I don't like:1) the bulb locks into it's mount base with a ~1/3 turn like many others, but it DOES allow you to put it in upside down because the lugs aren't keyed. Don't put the bulb in upside down!2) minor gripe, there are detents all along the way as you rotate the bulb home, as if you might want to leave it clocked at an angle. This could be misleading and is an unnecessary feature. The bulb needs to be installed in exactly the right position.These have a very good deflector design over the low-beam LED chip. I suspect that's why they also have a very good hard cutoff line as you can see in the pics. For whatever reason, the right side cutoff line angles upward from center, but at least that's not where oncoming traffic is in this country. I think that's got something to do with my 2002 4Runner's reflector design because other LED bulbs seem to do the same.Driving around for a few weeks, I've put probably 800 miles on these at night. I've had no "complaints" from other drivers flashing me with their bright lights, a vote of confidence. These are noticeably less bright than other LED bulbs I've tried. They may be comparable to a very bright (and short-lived) halogen, but I haven't tested side-by-side to be sure. The light is perfectly adequate and the high-beam is fantastic, as expected, you can see everything for a long ways down the road. Sure they are not as bright as others, but bright bulbs are no good if you are just blinding all the oncoming traffic. These are good.

Worked as intended. Easy installation in my 2018 toyota tacoma. Much brighter than the stock lights.

2004 Hyundai Tiburon:I can't believe how great these headlights work. They are even cheaper than the cheapest regular headlights from the stores. Awesome lights that are cheaper than in the stores. That's a no brainer kids! Buy them!

Fits perfectly in my 2014 Hyundai Elantra. Easy instillation and fits with existing dust cover. Much brighter than OEM Halogen bulbs.

They seem ok so far its only been about 6 days of use they was easy to install amd easy to adjust they are bright and nice. But i think my car headlight needs raised up

Great headlights at a great price. I didn't realize how bad the stock lights were until I switched to these led driven bulbs the difference is like night and day. I was pleased to be able to actually see the faded lines on the road at night and not only in daylight. I would recommend to anyone who's vehicle isn't already equipped to make the change.

I don’t write reviews often but I definitely had to for this product and store! I bought these lights to replace my previous lights because one of the lights burnt out. Installing them was pretty straightforward and isn’t any different from installing other bulbs. After installed, the lights were very bright and were far superior than my original ones. I’d even go as far as to compare them to OEM lights on newer car models from the factory. I did have a concern with my lights, contacted the seller and they were extremely quick to respond and offer assistance without hesitation. So extremely pleased with costumer service of this store and the overall quality of these lights. 10/10 5 stars from me, I would absolutely buy these lights again and for any of my other cars in the future!

They are Brighter but they do flicker in my 2010 Dodge nitro I would give them five stars but because of the flickering I can’t.