Black 3" &gt; 3.5" Rubber Reducer hose for shortram cold air intake kit cool ram Great for using with DIY custom air intakes. This kit includes 1 x Rubber Reducer. Hose Inside Diameter: 3" &gt; 3.5" ( 76mm &gt; 89mm ). Fits on pipe or tubing with 3" or 3.5" outside diameter. Hose Length: 3" (76mm) Material: Rubber. Color: Black Since the rubber hose is made with rubber and is NOT reinforced; it is NOT recommend to be used in high boost or high temp application