Silicone Hose, 4 1/2 x 4.00 inch ID Straight Reducer 12008 Slide the small end of

Slide the small end of the reducing elbow onto the aluminum joiner

These 45 degree reducer elbow hoses have a 76mm ID at one end and a 63mm ID at the other end to connect a 3" OD tube to a 2 1/2" OD tube

The 57mm ID at one end and 51mm ID at the other end let you connect a 2 1/4" OD tube to a 2" OD tube

25 and 3613-1

50 1 3/8" 35mm 1

Silicone Hose, 4 1/2 x 4.00 inch ID Straight Reducer 12008 Slide the small end ofOur 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