The ST XA coilover kit for 2017+ Audi A5 (B9) Sportback Quattro delivers wide-ranging height adjustment and 16-click rebound damping to refine ride feel and road control without compromising comfort. Kits arrive preset to factory-recommended damper settings verified on KW shock dynos. Durable composite spring perches with stainless inserts, galvanized zinc-coated struts, dust protection and a multi-layer sealing package support long-lasting adjustability and corrosion resistance.
ST XA Height & Rebound Adjustable Coilover Kit - 2017+ Audi A5 (B9) Sportback Quattro