Mishimoto's Silicone Induction Hose for the WRX/ STI is made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement for your OEM hose. Throw away your cracked or soon to be cracked hose and upgrade now! The Mishimoto Silicone Induction Hose is wire reinforced to prevent collapsing under pressure and features increased flow thanks to a larger internal diameter. Available in black, blue or red, the Mishimoto silicone induction hoses retain OEM fitment, the ultimate upgrade in performance and style. With their lifetime warranty, you will never have to worry about replacing these hoses!