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Posted on September 19th, 2008
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 2007-2008 GMC Sierra and Chevy Silverado (2500 & 3500) Trucks Gain 19 HP with K&N Air Intake. The GMC Sierra 3500 is a heavy-duty pickup truck. It is almost a twin to the Chevrolet Silverado, a 1- ton workhorse that includes a stiff suspension, rugged frame and a very powerful engine. Read the rest of this entry »
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