A non-metallic intercooler assembly includes an intake header tank, outlet header tank, and a multitude of non-metallic charge tubes which communicate airflow from the intake header tank to the outlet header tank. Several combinations of plastics parts are described. Tanks of intercoolers can be made from plastics today but with complicated clamping and sealing. Each tank in this description can be laser welded in place. Various combinations of laser opaque and laser transparent materials are utilized to achieve an effective laser welding assembly process. Intake systems for automotive use are widely made of plastic materials today and this description shows how those types of materials can be employed in an intercooler. Each non-metallic tube can be supported by a plastic fin feature whose primary function is to support the structure to promote airflow conditions favorable to heat transfer.

 
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