All the performance with the noise the hybrid valve is back in 1999, gfb’s 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 cars with sensitive airflow meters that often suffer issues such as backfiring and or stalling, whilst still achieving the signature blow-off sound. Dual staged venting outlets, can be configured for full recirc, 50 50, or full atmosphere operation using plugs provided tms technology for up to 30% faster boost recovery on gearshift huge range of direct bolt-on kits 100psi boost holding ability manufactured in australia in accordance with iso 9001 complete range of fitment options the hybrid direct fit bolt-on range covers a huge list of popular vehicles. You can also purchase a variety of hose and flange adaptors for custom fitments. Only compatible with: make model mark variant enginecodes bodystyle drivetype fueltype yearfrom yearto audi a3 mk1 8l 1.8 T hatchback front wheel drive petrol 1996 2003 audi a3 mk1 8l 1.8 T quattro agu,awd,aqa,arz,aum hatchback quattro petrol 1996 2003 audi a3 mk1 8l 1.8 T quattro agu,awd,aqa,arz,aum hatchback quattro petrol 1998 2003 audi a3 mk1 8l s3 quattro ha...
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