Mishimoto MMHOSE-CIV-02SIBL Honda Civic SI Silicone Hose Kit, 2002-2005, Blue Direct fit for 20022005 Honda Civic SI INNER DIAMETER: 1.22" OUTER DIAMETER: 1.55" Maximum Temperature: 330F Constructed with high grade silicone and heat-resistant embedded fibers Mishimoto Lifetime Warranty