The Koni 1125 STR.T Kit 02-08 Audi A4 Quattro 4cyl Avant is a suspension upgrade kit designed to improve the performance and handling of your Audi A4 Quattro 4cyl Avant. This kit includes two Koni STR.T shocks, two Koni STR.T struts, and four Koni STR.T springs. The Koni STR.T shocks and struts are designed to provide improved damping and handling performance, while the Koni STR.T springs are designed to provide a more comfortable ride. This kit is a great way to upgrade the suspension of your Audi A4 Quattro 4cyl Avant and improve its performance and handling.