1. Employs the Dual Drive System succeeded from the Super Sound Blow Off Valve DD.
2. Employs high quality aluminum die-cast for the body.
3. Ensured heat dissipation radiation by designing the body and funnel with ribs.
4. Creates a sharp sound by adopting the Venturi effect.
5. Defric Coated Piston made smooth movement even under dusty conditions.
6. 36mm Diameter Big Valve with Special Rubber Seal ensured an outstanding sealing ability at high boost.
7. Recirculation Flanges are available at optional in 3 diameter sizes.