Rear window louvers is an original styling accessorie which was popular back in the days when muscle cars were born. With this E&G louvers you can add a bit of old school sport style to you Mustang. They are made of durable impact resistant ABS plastic and installs in minutes. There are few finishes on your choice: Unpainted or Factory Black finish MSIÂ® - Rear Window Louvers Side window louvers are also available! We have them for pretty much all 1965-2015 models of the Mustang. Select window louvers for your model on the following page: http://www.carid.com/ford-mustang-window-louvers/ You can also read more about MSI on our website here. What do you think about these Rear Window Louvers on a modern Mustang?