Rubber is out, silicone is in! Upgrade your Mazdaspeed 3 radiator hoses with the Mishimoto 2007–09 Mazdaspeed 3 radiator hose kit to provide your Mazdaspeed 3 with an advancement in both style and reliability. This Mazdaspeed 3 radiator hose kit includes the upper radiator hose, lower radiator hose, expansion tank hose, as well as six worm-gear clamps for ease of installation.Unlike the degradation-prone rubber hoses your Mazdaspeed 3 currently has, every Mishimoto silicone Mazdaspeed 3 radiator hose is constructed from five layers of silicone with heat-resistant embedded fibers to provide unmatched durability, heat tolerance, and pressure tolerance. Whether you are taking your Mazdaspeed 3 to the local autocross or lapping at your next track day, trust Mishimoto with all your Mazdaspee d3 parts. This silicone hose kit is available in black, blue, or red and, like all our Mazdaspeed 3 parts, includes the Mishimoto Lifetime Warranty.Direct fit for the 2007-2009 Mazdaspeed3INNER DIAMETER: Hose 1: 1.26" Hose 2: 1.26" & 1.26" & .79" Hose 3: .31"OUTER DIAMETER: Hose 1: 1.65" Hose 2: 1.65" & 1.65" & 1.18" Hose 3: .71"High grade silicone and heat-resistant embedded fibers feature max temp of 330°FMishimoto Lifetime Warranty