Quick view Turbosmart Turbosmart Dual Port Blow Off Valve for Nissan (Black) Easy to install and setup, the Nissan Dual Port features sequential ports for quiet operation on mild boost and full performance at full boost. Fits: Suits Nissan Skyline GTS-T and GT-R, R32, R33, R34 and R35 (excluding R32GTS-t). $519.94 $577.70