Silicone Hose, 3 1/2 x 2 3/4 inch ID Straight Reducer Metric_54mm The 45mm ID at one

The 45mm ID at one end and 38mm ID at the other end let you connect a 1 3/4" OD tube to a 1 1/2" OD tube

These 45 degree reducer elbow hoses have a 35mm ID at one end and a 32mm ID at the other end to connect a 1 3/8" OD tube to a 1 1/4" OD tube

These 45 degree reducer elbow hoses have a 25mm ID at one end and a 16mm ID at the other end to connect a 1" OD tube to a 5/8" OD tube

48mm (1 7/8") OD and measures 38mm (1 1/2") Long overall with a 30mm depth

These 180 degree elbows have a 3/4" ID with a smooth

Silicone Hose, 3 1/2 x 2 3/4 inch ID Straight Reducer Metric_54mm The 45mm ID at oneOur 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 straight reducer hoses are approximately 5 inches long