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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
With 11 additional horsepower and 11 Lbs-Ft
track session
a mounting bracket and a USB tuning cable
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Injen likes to keep things cool
GFB HYBRID TMS Dual Port 01-07 Subaru WRX / 05-08 Forester XT T9203 Subaru With 11 additional horsepower andALL 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
