Description
Upgrade your Civic Type R’s radiator hoses with the Mishimoto 2017-2021 Honda Civic Type R Radiator Hose Kit. This kit is specifically designed for the K20C1-equipped CTRs to increase heat and pressure tolerance while adding some flair to the engine bay. Get rid of the ugly stock rubber hoses in favor of a direct-fit kit made of high-grade silicone with heat-resistant embedded fibers, good for keeping things contained at temperatures of up to 330°F. High-quality worm gear clamps ensure that things stay secure no matter what the conditions are, and the added strength of the materials in both the hose and clamps offer improved pressure tolerance compared to stock. The kit includes an upper hose, a lower hose. The set is available in your choice of black, matte black, blue, or red. This product also ships with the Mishimoto Lifetime Warranty.
How Do Coolant Hoses Help You on Track?
Upgraded silicone coolant hoses focus on durability and thermal stability under sustained track abuse. While the factory rubber hoses are adequate for street use, repeated heat cycling and elevated coolant pressures during HPDE sessions can accelerate wear and increase the risk of softening or expansion.
On-Track Performance Gains:
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Improved resistance to heat soak and pressure expansion
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More consistent coolant flow under sustained high RPM
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Reduced risk of hose ballooning or collapse
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Greater long-term reliability during repeated heat cycles
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Enhanced durability for track-prepped or tuned vehicles
During 20–30 minute sessions, especially in high ambient temps, coolant system stability becomes critical. Multi-ply reinforced silicone construction maintains structural integrity under higher operating pressures, reducing the likelihood of weak points forming at couplers or bends.
Performance Context:
This is not a horsepower upgrade - it’s a reliability and longevity mod. For drivers pushing the car hard lap after lap, preventing cooling system failure is just as important as adding power.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic | Type R |
| 2021 | Honda | Civic | Type R Limited Edition |