Blue Silicone 350F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L RE9025 00 and 3613-4

00 and 3613-4

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)

The 4-ply reinforcement results in a working pressure rating in excess of 35 psi and a 5mm wall thickness (67mm / 2 5/8" OD)

25 and 3613-1

63 1 1/2" 38mm 1

Blue Silicone 350F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L RE9025 00 and 3613-4Charge 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