Mishimoto siliconeEvolution X radiator hose kits are made with a dual layer combining high grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance, all with an OEM replacement fit! Perfect for your Mitsubishi Lancer Evolution.Direct fit for 2008+ Mitsubishi Lancer Evolution XINNER DIAMETER: Hose 1: 1.34" Hose 2: 1.3" Hose 3: 1.3" Hose 4: 1.25"OUTER DIAMETER: Hose 1: 1.69" Hose 2: 1.65" Hose 3: 1.65" Hose 4: 1.61"High grade silicone and heat-resistant embedded fibers feature max temp of 330°FMishimoto Lifetime Warranty