aFe Magnum FORCE (3-3/4in ID to 3-1/2in ID x 3in L) Straight Reducing Coupler - Black

The high temperature 1-Ply reinforced silicone reducer coupler is designed to connect to a (3-1/2" x 3-3/4") OD tube and is 3" long. Standard stainless steel worm-gear #056 & #060 clamps provides tight connections, durability, and is corrosion resistant for industrial, commercial, truck, off-road, and racing applications.