GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT Exhaust- Mufflers & Tips>Exhaust Valve Controllers The header is fortified with

The header is fortified with a "Revolver" collector which features Banks' patented "Power Pickle®" exhaust collector technology

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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

25 x 48mm Broached 4 Piece Stud Kit

large 9" Tall conical flat top 360 degree radial flow performance air filter with 3-layers of progressive finer porosity synthetic media providing maximum convenience

GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT Exhaust- Mufflers & Tips>Exhaust Valve Controllers The header is fortified withThe 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