The Flex Technologies 1-3/8" Straight Silicone Radiator Hose is the perfect addition to your engine bay. This hose is designed to provide superior cooling performance and aesthetic value to your engine bay. This hose ensures that your engine stays cool and can lead to better engine performance. With this hose, your engine will operate more efficiently and not overheat. This hose is the perfect way to give your engine bay a more polished and professional look. FleetPride is your First Click in Heavy Duty®.