AF9590-4000 Product:4" Exhaust Control Valve 903-10-08S

903-10-08S

RC-JOE-25880

Fram CA3901

which allows a more consistent installed height for each retainer on its valve

WB260-14793

AF9590-4000 Product:4" Exhaust Control Valve 903-10-08S4" Exhaust Control ValveOpens when boost reaches 6 7 psi AF9590 4000 9590 4000 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