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Racing Bypass Valve Type 25
$233.62
The Racing Bypass Valve Type 25 was specifically designed to replace the 1 inch (25mm) Bosch Bypass Valve used in most Volkswagen and Audi applications.
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The Racing Bypass Valve Type 25 was specifically designed to replace the 1 inch (25mm) Bosch Bypass Valve used in most Volkswagen and Audi applications. The Bosch valve is prone to failure in stock application and not adequate for holding boost in "chipped" 1.8T equipped vehicles. The RBV-25 spring tension is adjustable, making it ideal for your modified vehicle. This RBV-25, though louder than a stock bypass valve, is not loud compared to an atmosphere BOV.
This is a an upgrade over the Bosch: 0 280 142 114 or 0 280 142 108 (or any Bosch valve with a 25mm inlet and outlet
RBV-25
The Racing Bypass Valve Type 25 was specifically designed to replace the 1 inch (25mm) Bosch Bypass Valve used in most Volkswagen and Audi applications.