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

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

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 Reinforced Silicone Transition Coupler

Vibrant Performance 2775 4 Ply Reducer Coupling

Vibrant Reducer Coupler, 3.00" I.D. x 4.00" I.D. x 3.00" long - Black

Vibrant Performance 2775 Engine Air Intake Tubing Coupler