The Turbosmart blow off valve hose adapter Ð 38mm is a must-have for anyone looking to install Turbosmart's Plumb Back easily, Dual Port or Supersonic Universal Fit BOVs. This essential accessory allows for a simple hose-end installation, meaning you can make sure your Turbosmart BOVs are securely and conveniently installed without the need for complicated tools and equipment. For added peace of mind, its construction with high-grade materials ensures it is secure and durable. Make Turbosmart blow off valve hose adapters part of your setup today!