Universal Turbo Diverter Dump Blow Off Valve Dual Port with Horn Fit for VW MK4 Golf Polo GTI 1.8T Saab Turbo Black

Universal Turbo Diverter Dump Blow Off Valve Dual Port With Horn Fit For VW MK4 Golf Polo GTI 1.8T Saab Turbo Black. The blow off valve that gives a combination of blow off and recirculation valve operation all at the same time, and has been specifically designed for the many turbo engined applications which operating metered airflow management systems. This means you will get some of the noise of the atmospheric blow off valve whistle retaining the compatibility with the recirculation requirements of the engine management system. The blow off valve adapter enhances turbine response by releasing excess boost air into the atmosphere rather than recirculating it through the engine piping. Constructed with durable plastic and metal materials, this turbocharger bypass diverter valve offers reliable performance and long-term usability., Manufacturer: DTYBJN