Bilstein B4 Rear Twintube Shock Absorber for Audi S4 Base

Bilstein B4 OE Replacement Series gas pressure shocks and struts are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world-famous Bilstein quality. Audi A4 2009-2005; A4 Quattro 2009-2005; S4 2009-2005 Audi A4 2009-2005, A4 Quattro 2009-2005, S4 2009-2005