Prior Design’s aero kit is made of fiberglass certified for quality by TUV Rheinland, which has been making technical equipment and products safer since 1872. The kit comprises a front lip spoiler and cupwings, a diffuser, a roof spoiler, and add-on lips for the side skirts, then the wide arches for the front and rear fenders.
no claims about aerodynamic improvement have been made, but judging by the detail Prior Design gives on fitting the kit, it plans for people to use it properly: on the track. When talking about the fitment from the factory, Prior Design notes that fiberglass construction “undoubtedly minimizes the costs of potential reconstruction.”