Seller notes

Blow Off Valve Spacer FOR VW Audi A3 TSI VAG FSI TSI 2.0T 1.8 1.4 Forge Blow Off Product Description Condition: 100% Brand New Color: As the picture Material: Made of high-quality Aluminum The Blow-Off valve (BOV) is a pressure relief device on the intake tract to prevent the turbo's compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. Surge can eventually lead to thrust-bearing failure due to t...

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