aFe Magnum FORCE Intake Coupling Kit (4-1/4 IN ID to 3-3/4 IN ID x 2-1/4 IN L) Straight Black

The high temperature 1-Ply reinforced silicone reducer coupler is designed to connect to a (4.15″ x 3.75″)OD tube and is 2.35″ long. Standard stainless steel worm-gear #056 & #064 clamps provides tight connections, durability, and is corrosion resistant for industrial, commercial, truck, off-road, and racing applications.