... ,4 layers 3.working temperature:-40 to 250 degree Air-intake silicone hose with 5 holescan be silicone rubber or EPDM ... ,U ,Y pipe PS: We have developed turbo kits, radiator kits ,induction kits,intake kits,coolant kits, boost kits fitting for Subaru, Mitsubishi, Nissan, Mazda, Honda, Toyato ... need,your logo can be printed on the hose. air intake silicone rubber pipe