The aFe Magnum FORCE 3-1/4 in ID x 3 in straight bellow coupler is a flexible silicone bellows designed to connect to a 3-1/4" tube and ease installation where alignment varies. It includes two corrosion-resistant stainless steel worm clamps (#052) for a secure seal and allows expansion, movement and vibration between hard pipes. Not for use on pressurized or turbocharged sides; sold as a direct replacement for P/N 05-01480 and common on aFe intakes.
aFe Magnum FORCE Intake Coupling Kit (3-1/4 IN ID x 3 IN L) Straight Bellow-Coupler - Black