Ugh...I hate those freakin' things with a passion. I seriously think they instill road rage for the person behind you. There's a reason why they didn't catch on in popularity from the car manufacturers.
Not trying to bash, but I'll bet a lot of people feel the same way.

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2005 Sport V8 4x4, Spidertrax, Daystar, 285/70/17's, Volant CAI. Just switched all lights to Silverstars...love 'em.