5" OD to 4" OD google_custom_1_silicone Recommended clamps are CT300

Recommended clamps are CT300

4 inches long

This 4-1/2" ID high-temp silicone hump hose is useful in any application that requires a high heat resistance

Each of the bundles you see in the item consists of 3000 tiny fibers of pure carbon

Recommended torque specs: 7

5" OD to 4" OD google_custom_1_silicone Recommended clamps are CT300This carbon fiber intake reducer is 5" OD on one end and 4" OD on the other. Weighs 35 40% less than aluminum, yet is just as strong. Very attractive appearance. 6" long. Our carbon fiber is 3K carbon fiber embedded in clear epoxy (wet process) and polished. Each of the bundles you see in the item consists of 3000 tiny fibers of pure carbon. The weave is twill, which means the bundles going one direction are spaced slightly wider than the bundles