GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT Exhaust- Mufflers & Tips>Exhaust Valve Controllers Nearly invisible

Nearly invisible

CSF 06-15 Mazda MX-5 Miata 2

large 7" tall radial flow performance air filter with 5-layers of progressive finer mesh cotton media providing maximum airflow and performance

The Heavy-Duty Bar & Plate Construction All-Aluminum Cast End Tanks have been Pressure Tested at 120 psi for Maximum Reliability in Extreme Boost Applications

combine with the Derringer inline tuner for a total gain of 81 hp

GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT Exhaust- Mufflers & Tips>Exhaust Valve Controllers Nearly invisibleThe 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