Universal aluminum pipe for the construction of intake systems Dimensions: Diameter (D): 57 mm, Angle: 45 degrees Length (L): 17.5 cm Total length of the pipe: 35 cm We also offer a large selection of silicones. Universal aluminum pipe for the construction of intake systems. Dimensions: Diameter (D): 57 mm, Angle: 45 degrees Length (L): 17.5 cm Total length of the tube: 35 cm We also offer a large selection of silicones.