VF Engineering Bypass Valves VW Golf 1.8T / Audi TT / Porsche 911 Twin Turbo. The Bosch valve is made from ... The VF-Engineering Race Bypass Valve is made from ... and higher boost applications, air turbulence ...
HKS USA Bypass Valves HKS Standard and Racing Bypass valves are push-type valves that utilize calibrated spring rate and vacuum line pressure to remain closed against the pressurized air in the charge ...
AEM Air Bypass Valve Find air intake systems and air bypass valves specifically for your vehicle:
HKS USA Blowoff / Bypass Valves Blow-Off Bypass Valves have one goal, prevent compressor surge. Compressor surge occurs when the throttle plate of a turbocharged engine closes and the pressurized air is forced ...