2011 WRX HB Base halogen upgrade - Page 3
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This is a discussion on 2011 WRX HB Base halogen upgrade within the Exterior & Appearance forums, part of the Tech & Modifying & General Repairs category; I would love to improve the lighting for my car and those H9's seem to be getting fairly good reviews, ...

  1. #31
    Registered User J_Maher_WRX's Avatar
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    I would love to improve the lighting for my car and those H9's seem to be getting fairly good reviews, but are there any bulbs that are significantly brighter that don't require any cutting or modifying the oem setup like the H9's? I'm just wondering, because I am afraid that if I get the H9's and perform the required modifications, then will that potentially limit or affect my choices of other bulbs or lighting options if I decide to move away from the H9's??

    Side note, what exactly are the model #'s or style of bulb used for the low beam and high beams for a 2011 WRX?? As in, how do I know if a bulb is of proper fitment if I go to a store to buy replacements or different bulbs?? Sorry, nooobie when it comes to bulbs :P thanks guys
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  3. #32
    The Fruit mangostick's Avatar
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    You dont alter the headlight assy for the h9 mod.. you alter the bulb itself. I can pop my factory bulbs back in right now if need be. The H9 change is pretty much the easiest way to improve the light output of the factory halogen headlamps. Next easiest (but expensive) is the complete bolt in retrofit from lightwerx. (aprox $330 shipped) ..

    compared to $24 in bulbs and a few minutes with a exacto knife.. and the ability to run a factory bulb in a pinch if needed .. *shrug* .. Its a no-brainer man.

    your factory low beam is a H11 and the highbeam afaik is a 9005. I might be off on the hb bulb though, haven't taken a close look at mine.
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  4. #33
    Registered User J_Maher_WRX's Avatar
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    ahhh i see, i apologize, i read the previous posts wrong, i thought that it was the module or headlight assembly you changed, but if its just the bulb then yeah that makes much more sense haha

    Thanks for the model types, and if i may ask, where did you get your bulbs from? Can you buy them at any local hardware store or did you order them online? Also, sorry to sound like such a knob, but how can you tell, when looking at bulbs online, if they will fit your car or not? Will they specifically say somewhere "H11" or "9005" or do you tell some other way? oneee last thing, do you know what voltage our stock bulbs run?
    Justin ~ 2011 WRX (WRB Sedan) ~ 275whp/299wtq

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  5. #34
    The Fruit mangostick's Avatar
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    No apology needed I got mine at a local auto parts store but they're available online as well. The bulbs are designated by their type. Say if you google search "H9" or "9005" you'll see what I mean. They should also be labeled that way in your local parts houses too.

    I do recommend getting two pair though, and the reason being is that the lifespan of the H9 is a bit shorter than the standard H11. As I mentioned in previous posts when you increase output lifespan will naturally decrease. I have a second pair on hand ready to go if I need them.
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  6. #35
    Registered User J_Maher_WRX's Avatar
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    Yeah true enough, what is the wattage of the stock units, both high and low beams? Is it possible to run a bulb with higher wattage or does that increase the risk of temp. increase and therefore melting and whatnot? What wattage did you get?
    Justin ~ 2011 WRX (WRB Sedan) ~ 275whp/299wtq

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  7. #36
    Registered User xFalleNx's Avatar
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    This thread has inspired me to upgrade mine too. I bought them last night and will install as soon as I get my car back.
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  8. #37
    The Fruit mangostick's Avatar
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    Quote Originally Posted by J_Maher_WRX View Post
    Yeah true enough, what is the wattage of the stock units, both high and low beams? Is it possible to run a bulb with higher wattage or does that increase the risk of temp. increase and therefore melting and whatnot? What wattage did you get?
    I got off the shelf bulbs.. nothing over wattage. Good reason too.. plastic headlight housings really dont take well to lots of heat. Overwattage=HOT.

    factory H11 is 55 watts, aprox 1300 lumen (light output)
    off the shelf H9 is 65 watts, aprox 2100 lumen (a little less than double the output)

    factory high beam is 65 watts. Honestly I see no reason to change these, they work pretty well. If you live way out (Newfoundland is pretty far out ) .. I'd suggest adding a proper driving light if you really need more output than the factory high beams. That way you can wire directly off the battery using relays and really have some serious increase in light.

    That said, what are your goals for light output on the high side? Low beam the H9 is a nice improvement but for highs there really isn't much for the factory headlamp without going over wattage.
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  9. #38
    Registered User N8INCHATT's Avatar
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    I absolutely love the fact that I can see at night now. My only gripe is the foglights. They are pathetic. Does anyone know of any easy upgrades to make them brighter. I'd even consider yellow bulbs as they definitely help in foggy driving. Thanks!

  10. #39
    Registered User J_Maher_WRX's Avatar
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    Yeah Newfoundland's way out there haha far away from everyone!

    So going with the 65watt H9 is ok even though the stock H11 is 55? Is that because the high beam is 65 and therefore the housing can obviously take 65watt temp output?? Or do the H9 not increase in temp?

    I find the highbeams to be fine, was just looking to upgrade the low beams for around town driving and whatnot, because lets be honest, it's not That often the high beams are even on unless I'm driving on the highway at night, which is extremely rare or
    On almost deserted or rarely travelled roads.
    Justin ~ 2011 WRX (WRB Sedan) ~ 275whp/299wtq

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  11. #40
    The Fruit mangostick's Avatar
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    the change in wattage only produces a 3-6*F change in temp. There's a thread on nasioc about it and during the test the temp change was minimal. An increase of 10Watts at same voltage also wont have a huge impact on wiring either. The H9's will play nice with your headlights

    Mine have been in there for about two months now.. working perfect.
    OBP 2010 5dr *traded*
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  12. #41
    Registered User N8INCHATT's Avatar
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    Quote Originally Posted by mangostick View Post
    the change in wattage only produces a 3-6*F change in temp. There's a thread on nasioc about it and during the test the temp change was minimal. An increase of 10Watts at same voltage also wont have a huge impact on wiring either. The H9's will play nice with your headlights

    Mine have been in there for about two months now.. working perfect.
    Mango, do you have any fog light advice? Many thanks!

  13. #42
    Master Baiter EJ257's Avatar
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    Quote Originally Posted by N8INCHATT
    Mango, do you have any fog light advice? Many thanks!
    Aftermarket. PIAA / Hella are two popular choices.
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  14. #43
    Moderator rage-wrx's Avatar
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    Quote Originally Posted by N8INCHATT View Post
    I absolutely love the fact that I can see at night now. My only gripe is the foglights. They are pathetic. Does anyone know of any easy upgrades to make them brighter. I'd even consider yellow bulbs as they definitely help in foggy driving. Thanks!
    Have you aimed your fog lights?

    I aimed mine.Got some overlays & better bulbs & now they are good.Not great,just good.

    Like EJ257 said you can get PIAAs & adapt the stock foglight housing to accomodate the.Then the fogs should be really good.
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  15. #44
    Registered User N8INCHATT's Avatar
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    Quote Originally Posted by rage-wrx View Post
    Have you aimed your fog lights?

    I aimed mine.Got some overlays & better bulbs & now they are good.Not great,just good.

    Like EJ257 said you can get PIAAs & adapt the stock foglight housing to accomodate the.Then the fogs should be really good.
    I honestly didn't think I'd need to aim them as it's a new car. Thanks though and I'll check out PIAA.

  16. #45
    Moderator rage-wrx's Avatar
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    Quote Originally Posted by N8INCHATT View Post
    I honestly didn't think I'd need to aim them as it's a new car. Thanks though and I'll check out PIAA.

    2011 sti fog light - Height adjustable? - Subaru Impreza WRX STI Forums: IWSTI.com

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