This Spectre coupler connects any 4 inch outside diameter component or air intake tube to the Ford 4.6L oval throttle body inlet with 5.2 x 3.1 inch dimensions. The coupler is made from black PVC and includes 2 stainless steel worm gear hose clamps. This coupler is not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.
