I have a 2012 Mazda 3 so it will fit any second generation Mazda3. But this car came with halogens and while they were fine I think they really struggled at night without street lights. And the standard bulbs really couldn't see far at all. For only $35, these things are really easy to install and VERY bright. The biggest benefit isn't how far they shine compared to halogen lights, which are unrelated to incandescent bulbs, it's the package. But how bright something can be seen from afar. With halogens, the brightness decreases when they shine on the road. But they are at least twice as bright at hundreds of meters. At 500 feet, halogen lights can barely see the road, they can easily see beyond. The only downside is that I would have preferred it to be a fanless heatsink. The fan is a moving part that can fail. And because it's a small fan, it makes an annoying screech. You won't hear it from the engine in the cabin, but you can hear it when you're outside the cabin. Otherwise this product is amazing.
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