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    2. Emissions & Efficiency

    SPIER System

    Related To: SPI.Systems Corporation
    SPIER System from SPI.Systems Corporation

    SPIER System from SPI.Systems Corporation is an upfit that can be used to reduce emissions on any diesel truck, from current models dating as far back as 2010, including highway and work trucks. It is a combination of exhaust plumbing and “dual induction” of a portion of the tailpipe exhaust back into the engine cylinders. The chemical engineering of this approach releases alternative energy in the combustion process, which decreases fuel consumption and emissions. There is no interaction with or alteration of OEM systems on the vehicle. Benefits include lower soot levels inside the engine and a gain in power. Installation requires about 6 to 8 hours for most trucks from a kit of parts supplied by SPI.Systems. The cost is structured to deliver ROI in less than one year, the company said.

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