Mishimoto MMHOSE-MR2-90BK Toyota MR2 Turbo Silicone Hose kit, 1990-1999, Black Direct fit for 19901999 Toyota MR2 Turbo INNER DIAMETER: Hose 1: 1.18" Hose 2: 1.16" Hose 3: 1.17" Hose 4: 1.16" Hose 5: 1.16" OUTER DIAMETER: Hose 1: 1.56" Hose 2: 1.54" Hose 3: 1.55" Hose 4: 1.54" Hose 5: 1.54" High grade silicone and heat-resistant embedded fibers feature max temp of 330F Mishimoto Lifetime Warranty