Black 2" to 2.5 Inch Silicone Straight Reducer Coupler Hose Intercooler Pipe Turbo Silicone Straight Hose Inside Diameter: 2" inches to 2.5" Inch Or 51mm to 64mm; Leg Length 76mm / 3 inches Thickness 4mm / 3ply polyester; 1 x Genuine Silicone hose, Application: Basic replacement, Custom Turbo, Supercharger chargepiping set up, custom compressor, inlet for turbocharged and supercharged cars, vehicles, Engines, Motors, boats etc. Temperature Range: -40to 400Fahrenheit