Vibrant 2775 Tubing Coupler - Straight - Reducer - 4 in to 3 in ID - 3 in Long

Vibrant Hose Coupler 2775; Reducer 4 to 3 in. x 3 in. Straight Black Silicone

Vibrant Performance 2775 4 Ply Reinforced Silicone Transition Coupler

Vibrant 2775 4 Ply Reducer Coupling 3" x 4" x 3" Long Black

Vibrant 2775 Silicone Reducer Coupling 3" x 4"

Vibrant Performance 2775 4 Ply Reducer Coupling

Vibrant Performance 2775 Reducer Coupler