The aFe Magnum FORCE straight reducing silicone coupler connects a 3.875" ID tube to a 3.5" ID tube and measures 2.5" long, supplied in black. Built from high-temperature, two-ply reinforced silicone, it allows for expansion, movement and vibration while resisting heat. Standard stainless steel worm-gear clamps (#056 and #064) provide secure, corrosion-resistant connections for intake and off-road applications.
aFe Magnum FORCE CAIS Spare Parts Kit (3.875in - 3.5in ID x 2.5in L) Straight Reducing Coupler-Blk