Mishimoto MMHOSE-CIV-06EXBK Honda Civic Silicone Hose Kit (non Si), 2006-2011, Black Direct fit for 20062011 Honda Civic Non SI INNER DIAMETER: Hose 1: 1.16" Hose 2: 1.17" OUTER DIAMETER: Hose 1: 1.60" Hose 2: 1.61" High grade silicone and heat-resistant embedded fibers feature max temp of 330F Mishimoto Lifetime Warranty Interior material: Heat-resistant embedded fibers Exterior material: Silicone Maximum temperature: 330 degree fahrenheit