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Large air filter for improved flow and increased performance
FRONT BUMPER SPOILERS
Postage Costs are calculated by Maxton Design
Fits Years 2009 to 2020
GFB T9203 WRX SUBARU IMPREZA GG 2.5 WRX AWD 230HP Audi S5 B9 Large air filter for improvedAll 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