Mishimoto high Performance intercooler, watercooler, oilcooler and oil-catch cans Silicone Ancillary Hoses for Subaru WRX / WRX STI / 04-07 / Red Mishimoto high Performance intercooler, watercooler, oilcooler and oil-catch cans Material: Silicone Inner Material: Heat-resistant fibers (embedded) Outer Material: Silicone Color: Red Maximum Temperature: 165°C Fits: - 2004 - 2007 Subaru STI - 2006 - 2007 Subaru WRX The Mishimoto silicone auxiliary hose kit for the Subaru WRX/WRX STI is made from a combination of high-quality silicone and embedded heat-resistant fibers, providing a premium replacement for your standard rubber hoses. Available in black, blue, and red, Mishimoto silicone hoses offer OEM fitment along with increased pressure tolerance for an ultimate upgrade in performance and style. Fits only on 2.5L turbo engines. The lower hose for the expansion tank does not fit STI models from 04-05, as the opening is too large for the hose. WARNING: Mishimoto indicates a delivery time of up to 90 days