The AST 2015-2020 Audi RS3 Sedan-Sportback 2.5TFSi (8VS-8VA) Suspension Lowering Springs are designed to provide improved handling, better cornering grip and a more aggressive stance. The springs are crafted from high-grade materials and are designed to reduce body roll and improve overall ride quality. The springs are progressive rate and are designed to lower the car by approximately 30mm. The springs are compatible with both the sedan and sportback models of the Audi RS3 and are easy to install.