Mishimoto 2016+ Ford Focus RS Performance Intercooler Kit - BlackSay hello to our performance intercooler kit for the 2016 2018 Ford Focus RS! Whether you are a track junkie, occasionally taking your RS for some spirited driving, or making your RS a car to steal the show, this intercooler will suit your needs. Our intercooler has been beefed up with a 36 percent increase in core volume and a 214 percent increase in external fin surface area, which means increased air cooling efficiency for your RS. Our core reduces