GM Accessories 23158161 - Lowering Suspension Upgrade System [2015-2020 Sonic]

This kit uses the "RS" fast-reacting shock valving but lowers the "RS" by 10mm, and the base model by 20mm. It utilizes the "RS" front struts assembled with a different spring and jounce bumper. The rear springs and shocks are redesigned to accommodate the new suspension travel. Sonic Performance Suspension Package, For Non RS Models