Convert your Nonfunctional Scoop to a Functional Scoop

These are the original PontiacPlus highly desirable Shaker Door Flaps that after installation, will open to allow cooler outside air in for improved performance and close to keep the outside elements out.  This sought after feature will fit years 1973-1976 Trans Am or  '77 Can Am.  This posting is for one shaker Flap.     

The photos showing the scoops are only for viewing. 

The way these operate is:   at idle, the shaker door will stay closed, then open part way at part throttle and open wide at full throttle.

Should you want to later convert your scoop to operate as the factory design it,  using a solenoid to open and close the shaker door, the solenoid and the other needed components can be purchased and easily added to your shaker ...