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Discussion Starter #2
well i guess since nobody has tried these i just might have to get a set and give it a go.
time to look and what are the best ones .
 

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I'd appreciate any sort of write-up you'd be willing to post as a follow-up. I can't be the only one. Thanks in advance!
 

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Subbed as well. Would be interested to see how they look.
 

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I recently installed a LED headlight conversion kit on my 2012 Mazda 3. I used the H13 kit in 4300k. I got the set off ebay for $67. The 4300k color is very close to OEM with the ever-slightest blue hue. I have installed many HID conversion kits in the past on both cars and motorcycles. I would say that the light output is almost exact same as the HIDs (35w HIDs vs 25w LEDs). It is almost hard to tell them apart from the HIDs, as they look very similar. The LED light bulbs themselves have one CREE LED each. The LED headlights are 'instant on', as opposed to the HIDs that need to heat up before full light is achieved. I know that this only takes a few seconds and is not a big deal, just figured I'd put that out there. I would definitely recommend these as an equivalent option to HID conversion kits.

Apparently these are not supposed to be used on headlights that use a dust cover on the back. The headlight bulbs are very long (there is a small fan with a heatsink on the end of the bulbs. The fans run whenever the headlights are on), and you wouldn't be able to use the dust covers. These dust covers have a rubber gasket on them to keep water off the light bulb and out of the headlight. I just happened to be lucky, because I did not know this, and my headlights (H13) don't have a dust cover, but a gasket around the base of the light bulb itself to seal the bulb and headlight housing. I am not sure what size bulb the EVO X uses.

One important thing to note is that the LED headlight bulbs don't get hot. OEM bulbs, whether HID or halogen, give off ample amounts of heat. In the winter time, this heat helps melt away ice and snow on your headlights. Since I just installed this kit, I haven't been through a winter yet, so don't know, or think, that this will be an issue. I think some OEM LED headlights (Audi, BMW, STi, etc.) have heaters on the headlights themselves to help with this issue. I am not 100% sure on this, and if someone else knows, please tell. Here are pics of the headlights I purchased. I will try to take some pics of the headlights tonight.



 

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Looks to me like only the bottom half of your headlight projector lens is getting/projecting light. Not to say that there is anything wrong...as you said, there is only the one LED... But imagine how much more light there would be if another LED was mounted on the other side of that panel.

Thanks for the info!
 

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Looks to me like only the bottom half of your headlight projector lens is getting/projecting light. Not to say that there is anything wrong...as you said, there is only the one LED... But imagine how much more light there would be if another LED was mounted on the other side of that panel.

Thanks for the info!
I agree with you man. The fact that only the one LED is putting out as much light as one HID bulb is pretty incredible also. But as you stated, one on each side would put it over the top!
 

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Discussion Starter #10 (Edited)
Ok step one trying to find the LED head lights.
So fare what I have found is that some of the older LED’s use a constant current module which have now been replaced with the LED assembly having the constant current module included in to the LED fixture. the new ones don't require a cooling fan either. This makes for a better and easier fit. also makes for easier replacement in the future.
Then I noticed that some come with lenses over top of the LED’s them self, looks like they are not being used in the next gen LED’s either, so they are out. Looks like the next gen LED are using an ETI chip style.
Now time to look for some that fit my wants and needs. LOL
 

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Discussion Starter #14
sorry have been busy with work and moving things around
LED light will be ordered this weekend i think i know the ones i am getting now.
 

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Any update man? Looking to get the new Style leds myself.
 

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Hello everyone,

Just posting some quick info. We constantly have customers ask about using LED bulbs in low-beam headlight applications, like the FR-S. I just took these shots for a customer, to show them why the LED bulbs currently on the market are still not a good option, even when using a halogen projector, like those found on the FR-S. Just thought some of you may appreciate this comparison!

Most companies selling these products for low beam application show very poor comparison pictures, where they are washed out so you can't actually see the beam pattern. They claim that the output is good. The real pictures below tell a very different story.

Cutoff doesn't matter. Many companies justify that the output of their LEDs is OK, just because there is a cutoff line. Sure, you don't want light sprayed everywhere, but more importantly, you need light focused properly. As you can see, the factory halogen light is focused into a very tight beam, with a hotspot right at the center, which shines light far down the road. This is key to performance and visibility. You want all of the light focused right in the center, with a small area to the sides also illuminated, and just a bit below.

Total lumen numbers don't matter ...unless it's focused. Many sellers claim high lumen numbers, telling you the output is higher than halogen. In reality, the total output is usually about the same as halogen, and sometimes it's a bit higher. But since it is not being focused where it should be, the end result is that your visibility will decrease. It doesn't matter how much light you have if it isn't going in the right direction. As you can see, if you use an LED bulb for your headlights, you'll get some light output, but it will not shine very far down the road because it is not being focused into a hotspot at the proper location.

Just for comparison, we included a standard HID output. With HID, you get a focused beam, and a lot of light, so there is indeed a significant improvement in visibility. However, you do add quite a bit of light everywhere as well, including some on the top end. The main problem with HID is when it is installed into reflector housings, and the factory optic cannot direct this extra light properly. However, the projectors in the FR-S are quite good.

Summary: when you're looking at your low beams, an upgrade to OEM HID headlights is the best option, but an HID conversion is still a much better choice in terms of output and visibility compared to the LED bulbs on the market.

Of course, these LED bulbs are still a great option when you don't need focused light- such as high beams or fog lights. But there is still a long way to go before they are suitable for low beams.

Paul
Product Development
Diode Dynamics


These pictures were taken with the car about 8 feet away. A filter was added to more easily show intensity, but that was the only modification. I think this is a very clear representation of the performance of LED bulbs.
 

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LED's shouldn't be in projectors. Yes, they work, but projector headlights are designed for 360* light output from the bulb which LED's cannot do. I'd stick with HID's in any projector application
 

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I had them on my evo for half a year with depo headlights and they work perfectly! My friends say its as bright as HID's just without the annoying flickering issues. Never had a issue when driving at night.
 

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^ But what about the specifics of the bulbs? The bulbs I see are all witha huge fan that don't fit Evo X headlights since they are enclosed.
 
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