The Turbosmart Blow Off Valves Adapter Kit Ð Subaru WRX 98 is the perfect solution for installing a Turbosmart Universal Plumb Back, Dual Port or Supersonic BOV on their Subaru WRX MY98 and/or STI. The adapter kit includes a flange adaptor and gasket that allow easy fitment of Turbosmart products via quick change V-Band. Turbosmart prides itself in providing high-quality blow off valves and accessories designed to perform with every turbocharged application, offering superior performance while maintaining reliability. With the Turbosmart Blow Off Valves Adapter Kit Ð Subaru WRX 98, you can rest assured that your vehicle will handle the boost like a pro. Make sure to check out Turbosmart's extensive range of blow off valves and accessories today!