aFe POWER universal silicone coupling kit sized 4.50" x 4.25" ID with a 3" length. Made from 100% silicone with three polyester reinforcement layers and a 4mm wall thickness, the coupling resists deformation under typical use. Two included stainless steel clamps provide a corrosion-resistant, tight seal. Suitable for intake or charge plumbing where these specific ID transitions are required.
aFe POWER Universal Products Coupler Kit (4-1/2 x 4-1/4)in ID x 3in L - Black