Mishimoto Ford Focus ST Cold-Side Intercooler Pipe Kit 2013-2018Increase the flow of charged air from the intercooler in your 2013 2018 Ford Focus ST with the Mishimoto performance cold side intercooler pipe. The piping included from the factory is constructed from rubber, which not only degrades over time, but also tends to move around in the engine bay as you put your Focus ST through the paces. We here at Mishimoto ditched the degradation prone rubber for 5 layers of durable silicone reinforced with steel wire