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Registered
2005 Forester Sti
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327 Posts
Discussion Starter · #1 ·
Has anyone upgraded their full beam bulbs (HB3/9005) for an LED set?

Some very high lumen outputs available but not sure on the quality of the reasonably priced eBay items such as item 173206590809
 

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2005 Forester STI Manual
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140 Posts
Not that it is of much use, but I tried doing the same in my Impreza, and frankly it didn't work at all.

When switched on, the full beams were clearly visible outside the car insofar as you could tell there was an extra light source visible in the headlight assembly, but the light had such a wide scatter that from the driver's seat it just looks like the main beams get ever so slightly brighter. This was with items from Autobulbs Direct in Southampton.

It seems to be an inherent problem since the turn of the millennium, as just about everyone I know with a '00-on Subaru complains about the headlights and full beams.

I'll be watching this thread with interest, however - this is something I'll be researching once I've collected my SG.
 

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Registered
2005 Forester Sti
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327 Posts
Discussion Starter · #4 ·
I will be retrofitting projectors for the dipped beam but I am not spending loads on the full beam for the amount of time it gets used. Just after something better than whats in there a the most efficient cost/performance
 

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Premium Member
2019 Crosstrek 2018 Forester XT
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14,803 Posts
One of the things is not enough heat to keep the lights snow/ice free from what I have been told.
 

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MY05 Forester 2.5 XT 5MT
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3,089 Posts
LEDs and HIDs in headlight enclosures that aren't designed for that type of output just causes light scatter and you wont see much of an improvement -If any
You're best off fitting some driving/pencil beam lights if you're after better High Beam only performance.

Projector retrofit is the way to go generally for a cleaner appearance
 

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Registered
2005 Forester Automatic
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495 Posts
BEAMTECH H4 LED Headlight Bulb, 50W 6500K 8000Lumens Extremely Brigh (9003 Hi/Lo) CSP Chips Conversion Kit

From amazon -- [ame]https://www.amazon.com/gp/product/B06XHD78DQ/ref=oh_aui_search_asin_title?ie=UTF8&psc=1[/ame]

These are quite blue, but much brighter than my prior Sylvania halogens. They have no moving parts (no cooling fan like lots of LED retrofits). I like that.

They have made it about 11 months.

I like the brightness, hate the color, but actually, on a relatively long trip of 5 hours in the dark, once I got used to them, the visibility was good. The low beams are acceptable, high beams throw well, though not as perfect as a built for LED or HID system.
 

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2012 Forester X Auto
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40 Posts
I've tried many types of upgraded bulbs, including 100 watt halogens, Silverstars, etc. The best by far have been the HIR halogens. Short of an HID retrofit they have been the best plug and play option. Excellent beam pattern, no excess heat, no boy racer blue color.
 
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