GFB HYBRID TMS Dual Port 01-07 Subaru WRX / 05-08 Forester XT gloves 5L 4-cylinder engine

5L 4-cylinder engine

1200 to 5200 RPM range

PFADT Series engine mount set is designed to replace the OE mounts with upgraded

: Runs bigger than usual

Motor Power

GFB HYBRID TMS Dual Port 01-07 Subaru WRX / 05-08 Forester XT gloves 5L 4-cylinder engineALL 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