Blue Silicone 350F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L RE9025 Temperature rating: 300°F continuous

Temperature rating: 300°F continuous

5mm wall thickness (43mm / 1 11/16" and 41mm / 1 5/8" OD) and a working pressure rating over 35 psi (175 psi burst pressure)

These 4 inch (102mm) long straight hoses have a 3" (76mm) ID with a smooth

The 3-ply reinforcement results in a working pressure rating in excess of 65 psi and a 4mm wall thickness (27mm / 1 1/16" OD)

Lengths can be screwed together to form a continuous length if you've got leftovers around

Blue Silicone 350F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L RE9025 Temperature rating: 300°F continuousCharge Air Cooler (CAC) hose is specifically designed to handle the higher temperatures and pressures in high performance turbo and supercharged applications. Four layers of polyester reinforcement and 3 reinforcing rings allow operating pressures of 35 psi (142 psi burst pressure) and temperatures up to 350 F (180 C). Note that this temperature rating is best suited to the "cold" (post intercooler) side of the system. This hose is color coded Blue