5" OD to 4" OD

5" OD to 4" ODThis 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

This 4-1/4" silicone coupler is 3 inches long

This 3" ID to 2" ID silicone reducing coupler is 3 inches long and has the special matte red finish indicating aramid reinforcement

and then the 2-1/4" intake tube fits in the hole

This 4" to 4" charge air cooler hose has reinforcing stainless steel rings to help the hose keep its shape and handle more pressure under high temperature conditions

5" ID to 3" ID charge air cooler hose has reinforcing stainless steel rings to help the hose keep its shape and handle more pressure under high temperature conditions

3 ea 45L35

2-1/2" OD aluminum 45 degree elbow

This 5-inch 45-degree intake hose can be used anywhere you need to join two 5" OD tubes with a 45 degree bend

This reducing hump hose connects 8" OD and 5-1/2" OD intake tubes

100R80 10H8

This reducing insert adapts a 3" ID intake hose to a 2-3/4" OD tube

This 6" silicone coupler is 2-3/16 inches long