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Mishimoto blue ancillary silicone hose kit fits 2004–2007 Subaru STI and 2006–2007 WRX 2.5L turbo engines and replaces OEM rubber hoses with high‑grade silicone reinforced with heat‑resistant fibers. Retaining factory fitment, the blue hoses increase pressure tolerance and thermal resistance, with a maximum temperature rating of 330°F, making them a durable upgrade for turbocharged Subaru models.
Mishimoto 04-07 Subaru STI / 06-07 WRX Blue Silicone Ancillary Hoses
