Orange Silicone 500F CAC Reducer Hose, 4.00 x 3.00" ID, 6" L 11776 It is designed specifically for

It is designed specifically for connecting a 4" (102mm) OD metal intake pipe to a 3" (76mm) OD pipe

The 3-ply reinforcement results in a working pressure rating in excess of 60 psi (250 psi burst pressure) and a 4mm wall thickness (27mm / 1 1/16" OD)

The 3-ply reinforcement results in a 4mm wall thickness (30mm / 1 3/16" and 27mm / 1 1/8" OD) and a working pressure rating over 60 psi (300 psi burst pressure)

A single bead in the center helps you to center the joiner between the two hoses

Orange Silicone 500F CAC Reducer Hose, 4.00 x 3.00" ID, 6" L 11776 It is designed specifically forCharge 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