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Old 12-26-2012, 02:07 AM   #7
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Join Date: Sep 2010
Location: Canada
Posts: 149
My Ride: 2013 Ford Mustang GT
Like Jake stated, the inners light up when stalk is pulled back, this is the "flash-to-pass" feature. The inner halogens lighting up are easier to distinguish from a bi-xenon high beam.
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