The Turbosmart 29mm plumb-back fitting provides a direct outlet connection for Turbosmart Plumb Back, Dual Port and Supersonic blow-off valves, eliminating external hoses. It installs straight into the turbo outlet pipe for a secure, high-pressure seal and smooth operation. Simple bolt-in installation makes it suitable for DIYers and pros, and it fits many other brands' BOVs.
Turbosmart BOV 29mm Plumb Back fitting