GFB Hybrid Dual Outlet Valve - Nissan Skyline GTS-T R32 Expansion Cap ATE AUDI A3 Cabriolet 8P

GFB Hybrid Dual Outlet Valve - Nissan Skyline GTS-T R32 Expansion Cap ATE AUDI A3 Cabriolet 8PThe Hybrid valve is back! In 1999, GFBs first Hybrid valve pioneered the dual port design, which was so successful the technology has since been adopted by most other brands. By staging the two venting outlets, at low valve lifts most of the air is recirculated. As the car is driven harder, the valve opens further and more of the atmosphere venting port is exposed for a louder sound. As a benefit, this system makes it possible to use these valves on

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