Universal Water To Air Intercooler 3.5 Inch (415040350)Description PPEs Water To Air Intercooler offers significantly lower pressure drop over traditional intercoolers. Increased air flow is achieved with a large internal core for increased heat transfer and reduced restriction. Designed for use with high CFM turbos and superchargers. Featuring Aluminium construction, welded 1 2 inch NPT inlet outlet and a compact design, PPEs Water To Air Intercooler saves space in your build and increases output