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I have (1) Racing Bypass Valve Type 25 (RBV-25), I have all reciepts and boxes that came with the product, doing a search on the internet you can find the retail and see that I am selling these for much lower than what they are worth.
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.
Contact Info: Joe @ (503)867-7622
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