Upgrade your 2012–2015 Honda Civic Si’s cooling system with our Silicone Coolant Hose Kit. Specifically designed for the K24Z7 engine, this kit improves both under-hood aesthetics and reliability with durable silicone hoses available in black or red.----Factory rubber hoses can soften or fail under sustained heat and pressure, risking breakdowns during spirited driving or track sessions. Our multiple layer silicone construction with heat-resistant embedded fibers provides superior strength and longevity, ensuring your Civic Si stays cool and dependable when it matters most.----The kit includes upper and lower radiator hoses along with high-quality worm gear clamps for a secure, straightforward installation. Choose your color, refresh your engine bay, and enjoy the confidence of the Mishimoto Lifetime Warranty.