45 Degree Hose Coupler. 45 Degree Hose Coupler; 3 in. ID; 4.5 in. Leg Length From Tangent; 3 in. Wall Thickness; Black;. Hose Coupler. Vibrant Performance 45� Aramid Reinforced Silicone Elbows feature tight radius bends, making them ideal for congested engine bays that are typical in late model cars.
