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

The high temperature 3-Ply reinforced silicone reducer coupler is designed to connect to a (3-1/2 x 4)"OD tube and is 3-1/2" long. Standard stainless steel worm-gear #056 & #064 clamps provides tight connections, durability and is corrosion resistance for industrial, commercial, truck, off-road and racing applications.