Spectre Coupler/Reducer 4in. to 3.5in. (PVC) - Black

This Spectre Intake Coupler Reducer is designed to connect a 4 inch outside diameter component or air intake tube with a 3 1/2 inch outside diameter component or intake tube. This intake coupler is 3 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.
Spectre's EPDM/TPE couplers, elbows and reducers are available to help you connect the different air intake tubes together with ease. We offer multiple length and shape couplers and reducers with 3, 3.5, 4 and 4.5 in. inside diameter sizes.