GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT Exhaust- Mufflers & Tips>Exhaust Valve Controllers Fabtech 00-04 Ford F250/350 4WD

Fabtech 00-04 Ford F250/350 4WD Rear Leaf Spring Block Kit - 5in

which results in poor performance and driving feel

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

5" diameter polished tip

25 x 48mm Broached 4 Piece Stud Kit

GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT Exhaust- Mufflers & Tips>Exhaust Valve Controllers Fabtech 00-04 Ford F250/350 4WDThe 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