With new and improved styling, the BOV-H-RFL remains true to it's roots - it's still really f'n loud! Like all our valves, the RFL...

The Racing Bypass Valve Type 34 was specifically designed to replace the 34mm Bosch Bypass Valve used many OEM applications such as...

The Racing Bypass Valve Type 25 was specifically designed to replace the 1 inch (25mm) Bosch Bypass Valve used in most Volkswagen and...

So you want a Blow Off Valve that's loud when you drive your car hard and quiet when you don't?  The Hybrid BOV from TurboXS is the valve...

So you want a Blow Off Valve that's loud when you drive your car hard and quiet when you don't?  The Hybrid BOV from TurboXS is the valve...