1.straight silicone hose 2.standard color:blue 3.coupler hose Straight coupler silicone hose1.usage: for engine air ... , water, oil, turbocharger, radiators, cooling systems,etc.2.pressure range: 0.3 to 2.4Mpa3.wall thickness: 2mm to 5mm 4..tolerance ... ,Y pipe PS:We have developed turbo kits, radiator kits ,induction kits,intake kits,coolant kits, boost kits fitting for Subaru ...