The aFe Magnum FORCE straight reducing bellow coupler is a 4.75in ID by 3in long reinforced silicone hump coupler in black, designed to connect to a 4-3/4" OD tube. It features a high-temperature 2-ply reinforced silicone construction and includes stainless steel worm-gear clamps (#064) for reliable sealing and corrosion resistance in industrial, commercial, truck, off-road and racing applications.
aFe Magnum FORCE 4.75in ID 3in L Straight Reducing Bellow Coupler - Black