Silicone Hose 45 Degree Bend Reducer ( Assortment of sizes )Silicone Hose 45 Degree Bend Reducer " We have 6 Assortment of Sizes Available " Sizes are ( Inside Diameters ) mm or Inch 38mm < 51mm or (1. 1 2" < 2" Inch) 51mm < 60mm or (2" < 2. 3 4" Inch)51mm < 64mm or (2" < 2. 1 2" Inch) 51mm < 76mm or (2" < 3" Inch) 64mm < 76mm or (2. 1 2" < 3" Inch) 76mm < 89mm or (3" < 3. 1 2" inch)76mm < 102mm or (3" < 4" inch)89mm < 102mm or (3. 1 2" < 4" inch) Suitable for Air Intake, Turbo Intercooler Setup's & Water