aFe POWER universal silicone coupling kit sized 5.00" x 4.00" ID with a 3" length. Constructed from 100% silicone and reinforced with three polyester layers, it features a 4mm wall thickness for strength and shape retention. Two stainless steel clamps are included for a corrosion-resistant, secure connection. Designed for use where a transition between 5" and 4" inner diameters is needed.
aFe POWER Universal Products Coupler Kit (5 x 4)in ID x 3in L - Black