WindRestrictor® for the Mazda Miata Mx-5 2006 - 2015 STONGEST ON THE MARKET! (non illuminated) see our other listings for lighted versions King Penn Industries have finally released the Windrestrictor for the Mazda Miata. Because of an overwhelming number of requests from Miata owners the new project release date was bumped up several months. KPI’s patent pending technologies have made top down driving not only a comfortable experience, but a personalized one as well. King Penn will introduce the world’s first fully personalized wind deflector for the Mazda Miata MX5 convertible. Manufactured from durable, translucent materials the new Miata Windrestrictor® provides the functionality of other wind screens, but with little to no decreased visibility. A special powder-coated steel brack.