RIVA SEA-DOO INTAKE MANIFOLD GIRDLENEW Sea Doo 4 tec Intake manifold Girdle kit provides added strength to the Sea Doo intake manifolds. The Bracket clamps around the side of the manifold easily without drilling or grinding of the stock manifold providing extra support to the join in the manifold that splits under higher boost pressures on skis with aftermarket superchargers or running higher rpm's.