Subaru WRX-STI Headlight Assembly Replacement Guide

Initially launched as an economy-class car, Subaru WRX-STI has become an all-rounder capable of tackling any surface. Many people consider it to be a rally car for the road, and with excellent driving dynamics and high performance, you will need Subaru WRX-STI headlight assembly upgrade to make the best of your driving experience.

Although Subaru WRX-STI is not at the top in terms of the headlight department, as a customer, you have the opportunity to improve it with the new set of bulbs or the completely new headlight assembly. There are several available lighting options for your Subaru WRX-STI that start from the bulbs and then go to the more expensive options.

There are a few key things you need to look for when purchasing a replacement headlight assembly. The first is ensuring that the new assembly is compatible with your car. It is also important to check the light output and make sure that it meets your needs. Finally, you need to be sure that the new assembly is of good quality and will last long.

Headlight Bulbs By Year

2015 2016 2017 2018 2019

Headlight Bulb High Beam - 9005




Fahren 9005/HB3 LED Headlight Bulbs, 60W 12000 Lumens Super Bright LED Headlights Conversion Kit 6500K Cool White IP68 Waterproof, Pack of 2

Looking for a brighter, longer-lasting headlight bulb? Fahren's 9005 LED headlight bulbs are the perfect upgrade for your car. These bulbs provide 3 times the light of a standard halogen bulb. The whole aviation aluminum body and unique hollow-carved heat sink design keep your bulbs cool even under extended use, while the 12,000RPM turbo cool fan ensures a long lifespan of up to 50,000 hours.








Key Features:



  • Top Automotive-Grade LED chip inside

  • Power - 60 W.

  • Light Output - 12,000 Lm

  • Color Temperature - 6500K


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Nilight 9005 LED Headlight Bulbs, 350% Brighter


Why we picked it: 


  • 【350% Brighter Than Halogens】 Equipped with high luminous efficacy CSP chips and 6000K cool white, E1 9005 LED headlight bulbs output 350% more brightness, providing further and wider visibility for you to see the deer, wild animals, falling rocks or other obstacles in advance to ensure safer driving at night

  • 【Ideal Beam Pattern】 Nilight HB3 LED headlight bulb enhances super focused beam pattern for optimal light shape to improve light concentration and clear visibility.

  • 【10 Mins Easy Installation】 All-in-one compact design, the built-in driver for taking up less space in housing, 1:1 mini size as original halogen bulbs for greater compatibility, real plug and play, quickly install in 10 mins.

  • 【50,000 Hours Lifespan】 65% energy saving, brighter light output with much less power consumption.


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    AUXITO Upgraded 9005 HB3 LED Headlight Bulbs 6000K White, 100W 20000 Lumens 600% Brighter


    • 【300% Brighter Than Halogen】- Top Automotive-Grade LED chips with 60W, 12,000LM per pair, 6500K cool white. Super focused beam pattern design provides a wider and farther lighting range which is 3 times brighter than your original halogen bulb.

    • 【Over 5,0000 Hours Lifespan】 - Whole aviation aluminum body, unique hollow-carved heat sink design, and 1,2000RPM turbo cool fan provide super cooling ability, which ensures a longer lifespan up to 5,0000 hours.

    • 【10 Minutes Easy Installation】- Almost 1:1 mini design same as halogen, perfectly fit into your housing and factory sockets without any modification, just plug and play.


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    Why should you upgrade to LED or Xenon to Halogen for the Subaru WRX-STI?

    In order to have a headlight kit replacement, the best thing for you is to buy a powerful halogen bulb and call it a day. The halogen bulbs make minimal improvements, and in order to have powerful front lights, you will not see the difference immediately. The Xenon bulbs are a much better option for your Subaru WRX-STI as compared to the halogen ones; although they are most expensive, they can indeed last longer.

    Another excellent option for the last few years is the LED bulbs. They consume less energy, have more powerful light, and are not that expensive. It is worth mentioning that the LED bulbs may not work very well with the existing headlight design because, this way, the light won’t reach that far. Therefore, you need to replace the headlight assembly, and if you want to have the best headlights, LED lights are the best option.

    The best way to ensure that you are getting a quality replacement headlight assembly is to purchase it from a reputable manufacturer. There are many different companies that offer these assemblies, and it is important to do your research before making a purchase. One of the best ways to find quality headlights is to read reviews from other customers. This will give you an idea of what to expect from the product and whether or not it is worth purchasing.

    Symptoms of a bad Subaru WRX-STI Headlight Assembly

    When it comes to seeing during nighttime, bad headlights are one of the worst things for your eyes. It is important to have clean and bright lights so you can navigate through streets safely. When you notice that your headlights are weakening or are not as bright as they used to be, there are a few symptoms that may occur. For example, if you notice that you need more light in order to see better, then it is time for an upgrade. Sometimes after long use, the bulb wears out and needs replacing. Having clear vision at night allows you to drive much safer, especially if you opt for high-quality headlight assembly replacement. If one section does not produce enough light, either the bulb has worn out or the assembly is no longer working correctly.

    Another thing to watch for is whether or not your light output has changed in color, which can indicate a problem with your headlight assembly. If you notice that your Subaru WRX-STI headlights are not as bright as usual, then it may be time to have them looked at by an expert. You should also check if there are any bubbles or cracks in the cover of your headlight assemblies, which would indicate that something is wrong with the lens.

    What do you need to replace Headlight Assembly Subaru WRX-STI?

    Most people choose to replace the entire assembly if the lens is broken. This can be a costly mistake, though, because you can opt for either a replacement bulb or an upgraded headlight assembly. If you purchase a new assembly, it will come with all of the necessary components and wiring needed to install it. Replacement bulbs only need housing; they do not require additional assembly pieces in order to function properly.

    When looking into a replacement headlight assembly for your car, there are some important features that you need to pay attention to before making a purchase. Safety should be your number one priority when choosing any type of automotive product. The last thing that you want during nighttime driving is for your headlights to suddenly go out. Some of the things that you should look for when purchasing a headlight assembly include:

    • The type of bulb that is used (halogen, xenon, or LED)
    • How bright the light is
    • How far the light will reach
    • The color of the light
    • If it is DOT approved
    • The price of the product

    Once you have determined what you need in a replacement headlight assembly, you can begin your search for the perfect product. There are many different brands and models to choose from, so take your time and read reviews before making a purchase. You want to be sure that you are getting a quality product that will last for years.

    How to replace the headlight assembly of your 2015 Subaru WRX-STI?

    It is easy to replace the headlight assembly of your 2015 Subaru WRX-STI, and you can do it in a speedy time. Try to make sure that the bulbs are out before you replace them. If you want a complete headlight assembly replacement, it is much better to go to the mechanic. The following is the procedure of replacing the headlight assembly of your 2015 Subaru WRX-STI.

    • A rubber cover needs to be removed by twisting it counterclockwise.
    • You can then unplug the wiring assembly by squeezing it from the sides.
    • In the next step, remove the bulb by twisting, and with the help of the screwdriver, press down the keeper spring.
    • In the last step, grab the headlight assembly and the terminal to remove it and replace it with the new one.

    What is the cost of replacing the 2015 Subaru WRX-STI headlight assembly?

    When we talk about the cost of replacing the headlight assembly of the 2015 Subaru WRX-STI, it ranges between $30 to $100, and the labor cost can be around $95, but it all depends where you buy these and what brand they are. It is never complicated to replace your vehicle’s headlight assembly, as you need to disconnect the old one and plug in the new one.

    Final Words

    If you want your Subaru WRX-STI headlight assembly upgrade, you need to make sure that they are fully functional at night so that you can drive safely. If you have a failed headlight assembly, you can put off the repair until it is convenient for you. Whether it is halogen, Xenon, or LED, your headlights are designed to offer you a well-lit driving path when there is no sunlight.

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