aFe Magnum FORCE Intake Coupling Kit (4-1/8 IN ID x 3 IN L) Straight Coupler – Black

The high temperature 1-Ply reinforced silicone hump coupler is designed to connect to a 4-1/8″OD tube and is 3″ long. Standard stainless steel worm-gear #064 clamps provides tight connections, durability and is corrosion resistance for industrial, commercial, truck, off-road and racing applications.