2013–09 2018 Audi RS7 (C7 platform). Specifically engineered for Audi RS7 application. Platform: Audi RS7 C7 (wagon and sedan where applicable). The AST ASTLS‑22‑286 Progressive Lowering Springs provide a refined drop of 20 mm at the front and 25 mm at the rear for the Audi RS7 (2013–September 2018, C7 platform).