Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality.\nAudi A4 2009-2002; A4 Quattro 2009-2002; RS4 2008-2007; S4 2009-2004\nAudi A4 2009-2002, A4 Quattro 2009-2002, RS4 2008-2007, S4 2009-2004