Mishimoto Ford Focus ST Intercooler Kit, 2013-2018, Black Cooler, Polished Pipes - MMINT-FOST-13KPBKPRODUCT FEATURES Direct fit for the 20132018 Ford Focus ST 4. 3" thick intercooler design optimized for maximum flow 8 hp 10 tq gains when combined with other Mishimoto Focus ST parts Optimal core design for maximum cooling efficiency with minimal pressure drop Increases core size by 128% and fin surface area by 32% 10% increase in volume and 40% increase in flow over stock cold side pipe 14% increase in volume and 26% greater flow than stock hot side