AST Suspension Lowering Springs - Audi S5 (01/2010-01/2017)AST Suspension Lowering Springs Part #: ASTLS 21 003 Overview The AST Suspension Lowering Springs are designed to enhance the handling, aesthetics, and stance of your Audi S5 from 2010 to 2017. Crafted for enthusiasts seeking a more aggressive look and improved driving dynamics, these springs provide a lowered ride height that reduces body roll and improves cornering response. Made from high quality steel with a durable coating, they are engineered to