GFB T9225 HYBRID DUAL OUTLET VALVE - Volkswagen Golf MK4 1.8T Incl GTi IHI TD04 4-1 Race Manifold

4-1 Race Manifold

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The item arrives in primer

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and also minimizes lag introduced by the factory diverter valve

GFB T9225 HYBRID DUAL OUTLET VALVE - Volkswagen Golf MK4 1.8T Incl GTi IHI TD04 4-1 Race ManifoldAll the Performance with the Noise! The 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