Product information "Rockstar Subaru WRX 2001-2007 / STI 2004-2015 Silicone Induction Hose"
"Mishimoto's Silicone Induction Hose for the Subaru WRX/STI is made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement for your stock hose. The Mishimoto Silicone Induction Hose is wire reinforced to prevent collapsing under pressure and features increased flow thanks to a larger internal diameter. Now available in the Rockstar collaborative colors, these silicone induction hoses retain stock fitment, the ultimate upgrade in performance and style."