Silicon Hose 45 Reducer Elbow 2.00"-2.50" BlackSilicon Hose 45 Reducer Elbow 2. 00" 2. 50" Black The Silicon Hose 45 Reducer Elbow 2. 00" 2. 50" Black is a genuine Turbosmart performance part designed for reliable operation, precise fitment and proven results on street and track builds. Turbosmart introduces the 45 Degree Silicon Hose! This high performance, multi layered silicone hose is ideal for turbochargers and engine applications. The hose is constant temp resistance from 50 to 170 degrees