The aFe Magnum FORCE straight coupler fits 3-1/2" ID tubes over a 2" length and uses 2-ply reinforced high-temp silicone to withstand heat and repeated flexing. Standard stainless-steel worm-gear #056 clamps deliver tight, corrosion-resistant connections while the flexible sleeve allows for expansion, movement and vibration in truck, off-road and racing intake installations. Intended for non-pressurized intake use.
aFe Magnum FORCE Intake Coupling Kit (3-1/2 IN ID x 2 IN L) Straight Coupler - Black