Car Modified Pressure Relief Valve 1.8T/2.7T Discharge Valve for Volkswagen GTi Jetta / Audi A3 A4 A6 TT (Black)

1. Durable and reliable. 2. Corrosion-resistant and non-fading. 3. Long service life. 4. Material: Aluminum 5. Application: Retrofit the turbo relief valve to protect the turbo and the engine. 6. Applicable models: For Volkswagen 1.8 t engine For Audi 1.8 t engine For Volkswagen 2.7 l Bi-turbo engine (requires 2 x BOV 2.7 l engine per car) For Audi 2.7 l Bi-turbo engine (requires 2 x BOV of 2.7 l engine per car)