I noticed that my "Air management valve" separated where the diaphragm and gasket are contained. It looks like it was held together with tabs crimp to the upper piece. It took me awhile just to figure out what this part even was and I haven't been able to find one online (ford F6ZW-9F491-DA). I tried to push the two pieces back together but the diaphragm and gasket fell out. After reinserting them the part it would not seat perfectly. Would this device not being sealed properly cause performance issues - the car just started driving like crap - noticale power loss at low end and sputtering at full open throttle. I also notice what sounds like valve clacking noise during acceleration - sounds like an old V8 suburban and sounds different (respy?) when I push the clutch in during shifts. The only part even resembling this device was $200 on ebay but it was for a V6 and not a 96 Mustang cobra. Anyone familiar with this part and how it might be repaired or removed altogether and if it s causing the drive-ability issues I am having, it would be great to hear from you. Thanks