GFB Hybrid BOV Dump Valve For Subaru Impreza WRX STI MY01-07 (New Age) Product_Intercooler SPECIFICATION : Stage 4 -

SPECIFICATION : Stage 4 - 450 BHP

ONCE THE ITEM ARRIVES IN THE UK AND AT OUR WAREHOUSE WE WILL CONTACT CUSTOMER(S) TO REQUEST THE REMAINING BALANCE BEFORE  THE ITEM IS DISPATCHED IF NOT PAID IN FULL

18") Screw Black

Increasing the bore of the downpipe and replacing the restrictive catalytic converter allows the exhaust gasses to flow much more freely

Spoke Finish Black Brand MOMO Italy Style Tuning Diameter 350mm (13

GFB Hybrid BOV Dump Valve For Subaru Impreza WRX STI MY01-07 (New Age) Product_Intercooler SPECIFICATION : Stage 4 -All 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