Aeroflow 4 Exhaust Control Valve AF9590-4000 200B Suitable for all known engine

Suitable for all known engine oils

The StraightGate50 from Turbosmart is the world's highest flowing external wastegate

further enhancing its convenience

- T25/45 'OPEN ENTRY' Single 45mm Wastegate Port #4AGE_T25-45_1

Aeroflow 4 Exhaust Control Valve AF9590-4000 200B Suitable for all known engineOpens when boost reaches 6 7 psi Do you want the benefit of having the full noise and power of an open header at full throttle but also keeping it quiet for cruising the streets? Thanks to Aeroflow Performance the boost activated exhaust control valve (ECV) you can have the best of both worlds. No more wiring up expensive and unreliable electric exhaust cut outs and no more climbing underneath the car to open the manual exhaust cut outs. It's just a