The aFe Magnum FORCE 90° reducing elbow joins a 4" ID to a 3-3/8" ID tube and is constructed from 2-ply reinforced high-temp silicone for robust intake routing. Supplied stainless-steel worm-gear #052 and #064 clamps ensure tight, corrosion-resistant connections suited to truck, off-road and racing environments. The reducer accommodates vibration and movement. Not intended for pressurized or forced-induction systems.
aFe Magnum FORCE Intake Coupling Kit (4 IN ID to 3-3/8 IN ID x 90 Deg.) Elbow Coupler - Black