AVO Blow Off Valve Blue WRX (2008-2014) LGT (2005-2009) Hyundai All StopTech rotors feature a

All StopTech rotors feature a friction surface coating to prevent glazing as well as a durable black e-coating on the center sections to prevent corrosion and enhance the look of aftermarket wheels

and they will increase roll resistance

a resonator

and even a triple 2

Cores and piping kits are available separately

AVO Blow Off Valve Blue WRX (2008-2014) LGT (2005-2009) Hyundai All StopTech rotors feature aAVO 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.