Mishimoto full intercooler piping kit for 2013–2018 Ford Focus ST, including redesigned hot and cold-side piping and larger-diameter aluminum tubing. The hot-side is enlarged to 2.5 inches for a 14% volume gain and 26% greater flow while the cold-side sees a 10% volume increase. Durable five-layer silicone couplers and reinforced sections improve reliability; used with Mishimoto intake and intercooler the system can yield a 21% flow increase and roughly an 8hp/10 ft·lb boost.
Mishimoto 2013+ Ford Focus ST Intercooler Pipe Kit - Polished