Silicone Hose, 2 1/2" x 1 3/4" 90 deg. Reducing Elbow Color:Blue These hump connector hoses have

These hump connector hoses have a 57mm ID to provide a flexible coupling between two 2 1/4" OD tubes

The 114mm ID at one end and 89mm ID at the other end let you connect a 4 1/2" OD tube to a 3 1/2" OD tube

Our 2-ply Silicone Rubber Air Duct Hose is popular for brake cooling ducts due to its high temperature capability (maximum 500° F continuous / 600° F intermittent)

It is designed specifically for connecting 2 7/8" (73mm) OD metal intake pipes

5mm wall thickness (47mm / 1 7/8" and 35mm / 1 3/8" OD) and a working pressure rating over 35 psi (175 psi burst pressure)

Silicone Hose, 2 1/2" x 1 3/4" 90 deg. Reducing Elbow Color:Blue These hump connector hoses haveOur silicone hose is built for endurance and performance in custom coolant and intake plumbing applications. Each hose is hand crafted from multiple layers of silicone rubber with polyester reinforcing fabric between the layers. The silicone rubber remains flexible and tough from 50 C to +180 C ( 76 F to 356 F). The outside has a smooth, shiny, "wipe down" finish that is easy to keep clean. These 90 degree reducer elbow hoses have a 63mm ID at one end