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Old 08-06-2013, 09:45 PM   #313
WRX09MD
Scooby Newbie
 
Member#: 222160
Join Date: Aug 2009
Chapter/Region: MAIC
Location: Maryland
Vehicle:
2009 WRX Sedan
SWP Stage II

Default Daniel Stern 09 WRX lights

This is some useful info I received from Daniel about upgrading lights on my 09 WRX. This will help on other models also.

Your low beams take a 1350-lumen H11 bulb. You can easily, safely, and effectively replace this with a 2100-lumen H9 bulb, which you ought to be able to find locally by seeking the high beam bulb for a 2008 Chevrolet Malibu. Use a good brand (GE, Philips, Osram-Sylvania) and stick to colorless clear bulbs, not any kind of "whiter light" bulb such as the Sylvania Silver Star scam. Can also get them online .You may need to shave a small ridge of plastic off the H9 bulb's connector so that the H11 socket will snap on. Other than that, it's a direct swap. The only disadvantage is shorter low beam bulb life the H11 is optimised for very long life with relatively modest light output, while the H9 is optimised for very high output with relatively short life. Note that the H9 swap is not universal; it works well in projector-type low beams but is not safe in most reflector-type low beams or in fog lamps of any type.

If you want to upgrade the high beams, go to your local Chevrolet dealer and pick up two part number 15094219. Can also get them online . That is a Philips 9011 bulb. They are not some tinted or overwattage version of 9005, but share the identical filament geometry and base architecture as well as the same power consumption.

Here's the comparison:

stock: 9005, 12.8V, 65W, 1700 lumens, 320 hours
new: 9011, 12.8V, 65W, 2530 lumens, 320 hours

The 9011 bulbs have a double-wide top ear on the plastic bulb base, this is
to comply with the law requiring different bulbs to have different bases.
The extra-wide plastic top ear is easily trimmed or filed to make the bulb
fit your headlamp's bulb receptacle. Once that's done, they go directly
into the headlamp, and the existing sockets snap on. Please see
http://dastern.torque.net/Mods/HIRmod.html for details.


The best fog bulb is http://www.amazon.com/dp/B00480N154/ but Even good fog lamps, which are relatively rare, are of very limited use to most drivers. Fog lamps should be turned OFF most of the time. They are meant to be used in foggy (or rainy/snowy) weather to help the driver see the edges of the road close to the car so s/he can safely make progress through foul weather at very low speeds. That is _all_ these lamps are designed, intended, and able to do -- and most of the ones available as factory or optional equipment or in the aftermarket aren't even capable of doing that. Leaving the fog lamps on at all times does not improve lighting safety performance, though many people do so in the mistaken belief that they can see better this way at normal road speeds in dry weather.
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