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A lot of strange and expensive toys on the market that claim to save fuel,give your truck more pep,make it haul more, go up hills without slowing down,run cooler,go longer on oil changes,clean your injectors with one little bottle,clean your fuel system with another little bottle,fly down the road by changeing air flow,automatic air pressure pumps for your tire pressure,trans lube to make your tranny shift better.The list can go on if you want to spend the cash.We are all looking for the magic method. Remember magic is an illusion.That is why all these after market companies sped millions on advertiseing.
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