Upgrade your turbo setup with the Turbosmart Kompact Plumb Back Diverter Valve featuring 25mm fittings. This premium full recirculating BOV recycles all excess boost pressure back into the intake system, ensuring smooth, quiet operation without the typical blow-off noise. Ideal for enthusiasts who want reliable performance without drawing attention, this valve maintains optimal boost control and engine efficiency.

Designed for precision and durability, the Plumb Back system is perfect for Subaru turbocharged engines and other forced induction setups. Note that twin-turbo applications, such as the Audi S4 2.7L (B5) 97-01, require two valves for proper function. The 25mm fittings ensure easy integration into your existing intake piping.

Whether you're upgrading your Subaru WRX STI or building a custom turbo setup, this Turbosmart Kompact valve offers dependable performance and quiet operation. Enhance your forced induction system today with Subimods—your trusted source for Subaru performance parts. Shop now and experience the difference.