GFB HYBRID TMS Dual Port 15+ Subaru WRX / Forester Drivetrain>Clutch Discs This dual 2

This dual 2

328d 2018-2014

5" black chrome on T-304 stainless steel tips on each tail pipe

features our filter-to-housing interface

the exhaust splits into dual 3” piping up to the tips

GFB HYBRID TMS Dual Port 15+ Subaru WRX / Forester Drivetrain>Clutch Discs This dual 2All 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