This is a lightweight, aftermarket fiberglass body panel kit. It features a streamlined, one-piece fastback upper structure combined with a separate decklid component. Designed primarily for track and custom street builds, it reduces overall vehicle weight (typically averaging around 25 to 30 lbs for the main assembly) and alters aerodynamics. The package generally includes the main white gel-coat composite shell ready for paint or wrap, a matching rear decklid, lightweight Lexan/polycarbonate windows, and basic mounting brackets. Fits cars such as as the Mazda Miata NA/NB or classic Ford Mustangs) to give them a sleek, fastback coupe profile.