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The aFe Magnum FORCE straight reducing coupler (3-7/8 in ID to 3-1/2 in ID x 2-1/4 in L) is a reinforced silicone spare part for cold air intake systems. It accommodates diameter transitions while allowing expansion and vibration damping, and pairs with corrosion-resistant clamps to maintain tight, durable connections for aftermarket and racing intake assemblies where these reducing dimensions match.
aFe Magnum FORCE Intake Coupling Kit (3-7/8 IN ID to 3-1/2 IN ID x 2-1/4 IN L) Straight Black
