The GReddy black silicone reducer hose is sized 50–54mm to provide a flexible join between differing intake or charge plumbing diameters. As a silicone coupler it offers a durable, flexible connection for intake applications, presented in a black finish to blend with engine-bay components while helping adapt or repair mismatched tubing sizes.
GReddy 50-54mm Silicone Reducer Hose - Black