6" OD X 36" Long Silicone 45 Degree Elbow 5" OD tubes with a

5" OD tubes with a 45 degree bend

and then the 6" intake tube fits in the hole

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

About 1-1/2 inches on each end goes inside an intake hose (minimum 1 inch)

6" OD X 36" Long Silicone 45 Degree Elbow 5" OD tubes with aStandard aluminum intake tubing. 6061T6 alloy . 125 wall thickness. Cuts easily with a hack saw. About 1 1 2 inches on each end goes inside an intake hose (minimum 1 inch). Mill finish (as it arrives at our location from the mill after traveling on a truck and being handled several times) may have minor defects and small scratches, but no dents or major defects. Made in USA.