Mishimoto red ancillary silicone hose kit for 2004–2007 Subaru STI and 2006–2007 WRX covers 2.5L turbo applications, replacing stock rubber hoses with high‑grade silicone reinforced with heat‑resistant embedded fibers. These red hoses preserve OEM fitment while improving pressure tolerance and heat resistance, with a maximum temperature capability of 330°F for demanding under‑hood conditions.
Mishimoto 04-07 Subaru STI / 06-07 WRX Red Silicone Ancillary Hoses