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Old 10-02-2005, 09:41 PM   #1
alpinev12
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Default bulb size on '06 wrx?

Little confused on this. Looked in my owners manual today and I believe it listed the low beam as H7 yet in the diagram it points to the high beam bulb and for the high beam it is listed as 9005 but in the diagram it points to the low beam. Anyone know for sure? Thanks in advance...

Rick B.
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Old 10-03-2005, 03:15 AM   #2
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Read the manual
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Old 10-03-2005, 06:16 AM   #3
Okita Souji
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He just said he did. Apparently there's some misinformation in it though.

If anything, take out one of the bulbs to find out.

Last edited by Okita Souji; 10-03-2005 at 06:28 AM.
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Old 10-03-2005, 06:27 AM   #4
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Quote:
Originally Posted by WRX_2004_RB
Read the manual
read the post
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Old 10-03-2005, 08:23 AM   #5
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Quote:
Originally Posted by Okita Souji
He just said he did. Apparently there's some misinformation in it though.

If anything, take out one of the bulbs to find out.
Yeah looks like I'll have to take one of the bulbs out.

Rick B.
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Old 10-03-2005, 12:58 PM   #6
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well H7 is a typical low beam bulb, my friend RX8 has them, i should know i installed his HID kit for them ....the 04-05's used 9005 in the high beam so i would venture to say that the H7 is the low beam.
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Old 10-03-2005, 01:07 PM   #7
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Quote:
Originally Posted by ATX25RS
well H7 is a typical low beam bulb, my friend RX8 has them, i should know i installed his HID kit for them ....the 04-05's used 9005 in the high beam so i would venture to say that the H7 is the low beam.
Ditto. Pretty sure H7 is the low beam.
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Old 10-03-2005, 02:37 PM   #8
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Quote:
Originally Posted by Hank3
Ditto. Pretty sure H7 is the low beam.
That's what Piaa's web site says and what the manual says but the diagram in the manual points to the high beam bulb. Really weird and what is causing the confusion. Thanks for everyone's help so far. Looks like I'm going to order the H7 HID kit from xenondepot.com and have it installed on the 22nd (getting the 4300k color).

Rick B.
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Old 10-03-2005, 02:55 PM   #9
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yeah i installed a 6000K in the rx8...a VERY nice blueish/purple color with a good output from the stock projectors. it was a mcchulloch's kit.
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Old 10-04-2005, 08:55 PM   #10
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Quote:
Originally Posted by alpinev12
That's what Piaa's web site says and what the manual says but the diagram in the manual points to the high beam bulb. Really weird and what is causing the confusion. Thanks for everyone's help so far. Looks like I'm going to order the H7 HID kit from xenondepot.com and have it installed on the 22nd (getting the 4300k color).

Rick B.
It's better to use Philips D2S bulb (4300k) with H7 adapter
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Old 10-04-2005, 09:15 PM   #11
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Quote:
Originally Posted by WRX_2004_RB
It's better to use Philips D2S bulb (4300k) with H7 adapter
How so? Remember I have a 2006 with projectors.

Rick B.
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Old 10-05-2005, 12:01 AM   #12
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Lightbulb

Quote:
Originally Posted by alpinev12
How so? Remember I have a 2006 with projectors.

Rick B.
Well, since your '06 WRX did not come with OEM HIDs, instead it came with a halogen setup, which happen to have H7 bulbs. In order for HIDs to work, you would have to go with rebased bulbs (hence the h7 adapter) since true OEM HID bulbs come in either D2S (for projector light setups) or D2R (for reflector light setups). Another alternative would be to modify your halogen projectors to fit the D2S bulbs, which will take a little bit of time if you have no experience doing this sorta thing.

Last edited by Hank3; 10-05-2005 at 01:05 PM.
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Old 10-05-2005, 09:36 AM   #13
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Old 10-05-2005, 10:21 AM   #14
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Quote:
Originally Posted by Hank3
Well, since your '06 WRX did not come with OEM HIDs, instead it came with a halogen setup, which happen to have H7 bulbs. In order for HIDs to work, you would have to go with rebased bulbs (hence the h7 adapter) since true OEM HID bulbs come in either D2S (for projector light setups) or D2R (for reflector light setups). Other alternative would be to modify your halogen projectors to fit the D2S bulbs, which will take a little bit of time if you have no experience doing this sorta thing.

Thanks for the explanation. So what are the consequences of just installing the H7 conversion kit instead of the D2S bulbs with H7 adapter?

Rick B.
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Old 10-05-2005, 01:01 PM   #15
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There are no negative consequences per se as a lot of people use rebased HID bulbs. There isn't a performance difference if that's what your worried about; it's just that you usually have to pay a little more to get bulbs that are rebased. Most OEM HID bulbs are sold as is (i.e. eBay) in D2S and D2R form, but then you'll have to purchase the adapters or find somewhere that sources rebased HID bulbs already.

Also, an H7 conversion kit includes the rebased bulb. Now I'm not quite sure if the bulbs in HID conversion kits are rebased D2S or D2R bulbs
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Old 10-05-2005, 04:15 PM   #16
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Hey Hank.. I have a question that maybe you could answer. As far as I know, halogen projectors are different than HID projectors, correct? Which means, an HID bulb should not be used in a projector meant for halogerns, right? So I'm guessing that the STi has a different type of projector specifically for HID bulbs. I know it has a different bulb holder setup because it uses the standard D2S bulbs. I'm asking this because I'm putting HIDs on my 06 very soon and want to know whether or not I should buy a new set of HID projectors opposed to using the stock projectors.
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Old 10-05-2005, 04:28 PM   #17
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Lightbulb

RaceEoHoli330 - this "should" be true. Halogen projectors do have different optics than HID projector optics. There is a debate on the Legacy GT forums about the Subaru projectors. A member on there believes that the Legacy halogen projectors are the same as the '06 STi projector units as far as the optics goes. I along with a few others disagree but he says he has proof (which hasn't surfaced yet). From my readings on the HID forums and on here, HID bulbs used halogen protectors will create some hot spots and some glare... granted not as bad as sticking HID bulbs in reflector halogen light setups. Without seeing the Subaru projectors (Tribeca, Legacy, '06 WRX and STi), I can't say 100% if it's one way or the other.

If nothing else, there has to be differences between the '06 WRX and '06 STi lights simply due to the fact that the STi lights will have ballasts for the HID bulbs and the housings will be different since they house D2S bulbs instead of the halogen H7 bulbs of the WRXs.

I think you'll be ok with sticking rebased H7 HID bulbs in your '06 WRX, but you won't have optimal light output like true OEM HID projectors. Now this is if my educated assumptions hold true
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Old 10-05-2005, 05:09 PM   #18
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Yea. Thats what I thought. I want to do this the right way so I think I'll take apart the headlight housings tonight and find a pair of true HID projectors on ebay that are very similar if not the same as the Subaru halogen projectors. Along with that, i'll buy a pair of Hella ballasts/ignitors and make a relay harness. I'm pretty sure I have an extra pair of D2S bulbs laying around from the retrofit I did on my mustang. Thanks for your help
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Old 10-05-2005, 05:37 PM   #19
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Check the classifieds over at the hidforums. Also, they have a storefront setup with some good deals.

http://www.hidplanet.com/forums/
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Old 10-05-2005, 06:04 PM   #20
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FYI: bulb types are posted on your headlight lenses and housings.

read the little letters on the bottom of your headlight lens
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Old 10-05-2005, 09:03 PM   #21
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Well, my plans of doing any sort of HID setup have gone down the drain. I just remembered about the warranty on the car. I don't think I wanna mess around with voiding that. :/
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Old 10-05-2005, 10:12 PM   #22
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Quote:
Originally Posted by RacEoHolic330
Well, my plans of doing any sort of HID setup have gone down the drain. I just remembered about the warranty on the car. I don't think I wanna mess around with voiding that. :/

Yeah I think about that to. I need to have a talk with my installer to make sure its safe and see what kind of warranty they give my on their install. For stereo stuff its for the life of the car so we'll see.

Rick
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