Orange Silicone 500F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L SR76.70-BLUE 00) to clamp the hose

00) to clamp the hose over a 4" OD tube

50) to construct the exact shapes you need

5mm wall thickness (106mm / 4 1/8" and 93mm / 3 5/8" OD) and a working pressure rating over 15 psi (78 psi burst pressure)

hose clamps sold separately

15" (80mm) OD at the other

Orange Silicone 500F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L SR76.70-BLUE 00) to clamp the hoseCharge Air Cooler (CAC) hose is specifically designed to handle the higher temperatures and pressures in high performance turbo and supercharged applications. Four layers of aramid reinforcement and 3 reinforcing rings allow operating pressures of 42 psi (170 psi burst pressure) and temperatures up to 500 F (260 C). This temperature rating is perfect for the "hot" (pre intercooler) side of the system. This hose is color coded Orange for easy