Turbosmart's Blow Off Valve Hose Adapter is the perfect solution for connecting and mounting Turbosmart Plumb Back quickly, Dual Port or Supersonic Universal Fit BOVs. The 19mm adapter allows you to easily convert any Turbosmart BOV into a simple hose-end installation that can be mounted to your vehicle. This adapter ensures compatibility between Turbosmart products and will provide reliable performance and operation. Turbosmart is committed to providing top-quality parts that are trusted by professionals around the world. With this Blow Off Valve Hose Adapter, you know you're getting the best quality product available today. Install it with confidence, knowing Turbosmart has your back!