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The aFe Magnum FORCE 17° elbow reducing coupler joins 4-1/4" and 3-7/8" tube sizes using 2-ply reinforced high-temperature silicone. Stainless-steel worm-gear #064 and #072 clamps secure the connection and resist corrosion for industrial, truck and off-road intake routing. The slight angle and flexible material help manage vibration and movement. This coupler is not for pressurized or forced-induction applications.
aFe Magnum FORCE Intake Coupling Kit (4-1/4 IN ID to 3-7/8 IN ID x 17 Deg.) Elbow Coupler - Black
