The ST XA coilover kit lets you adjust both ride height and rebound damping on the Audi A4, A5, S4 and S5 (B8). Built by hand by KW in Germany, it offers 16 clicks of rebound adjustment so you can tune the ride from comfortable to sporty, preset to factory-recommended settings and verified on a shock dyno before shipping. Galvanized zinc-coated steel struts and a friction-optimized polyamide composite spring perch with a stainless-steel insert resist corrosion for long-lasting height adjustability.
| Type | Coilover kit (ST XA) |
| Adjustability | Ride height + rebound damping |
| Damping | 16-click adjustable rebound |
| Construction | Galvanized zinc-coated steel, monoblock guide system |
| Spring Perch | Polyamide composite with stainless-steel insert |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2014 | Audi | A4 | Base |
| 2015-2016 | Audi | A4 | Premium |
| 2015-2016 | Audi | A4 | Premium Plus |
| 2015 | Audi | A4 | Prestige |
| 2009,2013-2014 | Audi | A4 Quattro | Base |
| 2015-2016 | Audi | A4 Quattro | Premium |
| 2015-2016 | Audi | A4 Quattro | Premium Plus |
| 2015 | Audi | A4 Quattro | Prestige |
| 2013-2014 | Audi | A5 | Cabriolet |
| 2008-2010,2013-2014 | Audi | A5 Quattro | Base |
| 2013-2014 | Audi | A5 Quattro | Cabriolet |
| 2015-2016 | Audi | A5 Quattro | Premium |
| 2015-2016 | Audi | A5 Quattro | Premium Plus |
| 2015 | Audi | A5 Quattro | Prestige |
| 2017 | Audi | A5 Quattro | Sport |
| 2010-2013 | Audi | S4 | Base |
| 2014-2016 | Audi | S4 | Premium Plus |
| 2014-2016 | Audi | S4 | Prestige |
| 2008-2013,2017 | Audi | S5 | Base |
| 2010-2013 | Audi | S5 | Cabriolet |
| 2014-2016 | Audi | S5 | Premium Plus |
| 2014-2016 | Audi | S5 | Prestige |
