ISR Performance released a line of Silicone-based coolant hoses that are designed to take a higher range of heat and coolant pressures than OEM style hoses. Silicone has a much higher strength than the OEM rubber hoses which will prevent the hoses from expanding.
Scion FR-S / Subaru BRZ - Blue
Note: ISR orders might take a day of processing. If you need it sooner, contact us directly.