Reducer Coupler 4in I.D. to 3.5in I.D. x 4.5in L - 19741 - Vibrant Performance

Reducer Coupler 4in I.D. to 3.5in I.D. x 4.5in L - 19741 - Vibrant Performance

Tubing Coupler - Straight - Reducer - 0.200 in Thick Wall - 3-1/2 in Inlet - 4 in Outlet - 4-1/2 in Long - Silicone - Black - Each