GFB T9233 33MM INLET, 33MM OUTLET - HYBRID DUAL OUTLET VALVE - MITSUBISHI LANCER EVO 7 BMW M140I These halos spread light up

These halos spread light up to 6 feet wide

0T and our CNC Mandrel bent large bore design permits maximum performance by allowing a greater flow of exhaust gas

Suitable for any form of motorsport (it's exactly what we use in Z4 GT racer) as well as day to day road use without compromise

premium light output

GFB T9233 33MM INLET, 33MM OUTLET - HYBRID DUAL OUTLET VALVE - MITSUBISHI LANCER EVO 7 BMW M140I These halos spread light upAll 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