Injen EVOLUTION Cold Air Intake System (Dry Air Filter) - EVO7007 Injen 's EVO7007 is a cold air intake system engineered for 2017-2019 GM Diesel trucks equipped with the 6.6L L5P Duramax engine. Constructed from cross-linked high-density polyethylene in the USA, the system includes stainless steel components and automotive-grade couplers.
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