"By federal regulations they are supposed to put the stick stating what they did to the programming / emissions." This come from the mech at my local dealer if they dont they can get fined severly.
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2007.5 Mineral Grey & Light Silver, 6.7L, Auto, Quadcab, 4x4, 4.10, Laremie, Intake Baffle MIA, Tinted Windows, B&W turnover ball, with more addons in the works