GFB HYBRID TMS Dual Port Skyline GTS-T R32-34 / Mazda 3 & 6 MPS / CX-7 T9208 Forester Turbosmart BOV Race Port Sleeper

Turbosmart BOV Race Port Sleeper

Turbosmart BOV Kompact EM Dual Port VR15 - Abarth/Alfa/Fiat/Lancia

Perrin 2022+ Subaru BRZ / Toyota GR86 Engine Cover - Neon Yellow Wrinkle

unlike the OEM auxiliary radiators

GFB HYBRID TMS Dual Port Skyline GTS-T R32-34 / Mazda 3 & 6 MPS / CX-7 T9208 Forester Turbosmart BOV Race Port SleeperALL 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