2.75" diameter x 4.50" length coupler. Used when installing RIVA Pro-Series Aluminum Water Boxes (RS16081 or RS16082) in Sea-Doo RXP-X, RXT-X, (255 models) RXP, RXT & GTX-SC (04-09 215 models). High temperature silicone coupler and stainless steel hose clamps connect water box outlet tube with rear exhaust thru-hull outlet flange.
