This Spectre Intake Coupler Reducer connects a 3-1/2 inch outside diameter component or air intake tube to another 3-1/2 inch outside diameter component or intake tube. This intake coupler is 2 inches in length and made from black PVC and comes complete with 2 stainless steel worm gear hose clamps. Not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.
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