The PERRIN front-mount intercooler boost tubes and hardware kit is made for 2015–2021 Subaru WRX STI applications with front mount intercoolers. The kit includes neon yellow boost tubes and the necessary hardware to replace or upgrade the intercooler piping. It provides a direct-fit visual and routing solution for the specified Subaru STI front-mount intercooler setups over the listed model years.
PERRIN 15-21 Subaru STI Front Mount Intercooler Boost Tubes + Hardware - Neon Yellow Tubes