AVO Blow Off Valve Red WRX (2008-2014) LGT (2005-2009) Scion - 6061-T6 billet aluminum and

- 6061-T6 billet aluminum and Steel

The PERRIN bar and plate core design is much more durable than tube and fin with the ability to withstand rocks and other debris

The specs for this Enkei RSF5 Hyper Silver Wheel are 16x7 5x114

STI and Legacy GT which allows you to keep your PCV valve while separating the oil out of the crankcase and head ventilation air

90mm or 102mm

AVO Blow Off Valve Red WRX (2008-2014) LGT (2005-2009) Scion - 6061-T6 billet aluminum andAVO utilizes the latest technology in lightweight internal piston valving to ensure optimum blow off response at all times. The design of the V3 BOV has been updated with new internals to better manage compressor surge. AVO blow off valves are a 50% recirculate, 50% vent system that retains the return tube, keeping the stock computer system happy, while an additional vent with removable plate sends hot air to atmosphere if you choose.