Vibrant Silicone Reducer/Coupler. 4'-4 1/2" Black #2837

Vibrant 2837 4 Ply Reducer Coupling 4" x 4.5" x 3" Long Black

Vibrant Performance 2837 Reducer Coupler

Vibrant 2837 Silicone Straight Transition Connector, Black, 4" x 4-1/2"

Vibrant 2837 4 Ply Reducer Coupling 4 in. x 4.5 in. x 3 in. Long Black

Vibrant 2837 Reinforced Silicone Transition Connector - 4in I.D. x 4.5in I.D. x

Vibrant 2837 Reducer Coupler 4" to 4.5" I.D. x 3" Long Black

Vibrant Performance 2837 Reducer Coupler, 4.50" I.D. x 4.00" I.D. x 3.00" Lon