Length: 11.75" (300mm). Fabricate your own Intercooler piping, Turbo Intake Pipe, Air Intake Pipe, Custom Air Flow piping and so on. Size: 3.5" (89mm) OD. A vailable in sizes ranging from 1.5 to 4.0" OD; Available Angle from Straight, 15Degree, 45Degree, 90Degree, 135Degree,180Degree.