XYZ Racing Pro Rally Coilovers — Audi S4 B8 4WD 2008-2016

Rally stages don’t care about the B8 S4’s road manners. Gravel, snow and broken tarmac put wheel travel and compression damping under a kind of abuse the factory quattro suspension was never built to survive, and the supercharged V6’s weight sitting over the front axle only adds to the load the front struts absorb on every crest and rut. XYZ Racing’s Pro Rally coilover is built for exactly that environment, not for a fast road or a smooth circuit.

This is a top-flight rally competition spec, aimed at drivers running full stage events rather than the occasional forest blast. It replaces the S4’s stock strut and spring assembly with a setup built around real ground clearance, adjustable ride height and damping that survives repeated hard landings without folding.

What this coilover does for your 2008-2016 Audi S4 B8 4WD

Fitted to a B8 S4, the Pro Rally kit changes how the car copes with the terrain rather than just how it corners. Ride height is adjustable independently front and rear, so you can raise the car for ground clearance on a rough stage or drop it back down for a smoother liaison section without swapping parts. Damping is set up to control the sharp, repeated impacts of rally driving rather than the steady-state loads of track use, which matters on the S4 because the quattro system is already sending power and weight transfer through all four corners under acceleration out of a hairpin or over a crest. The front end carries more mass than the rear on this platform, and a suspension built to control that load through a jump or compression keeps the nose from bottoming out and losing the front tyres’ grip when it matters most.

About the Pro Rally coilover

XYZ Racing builds its rally suspension in two distinct configurations, reflecting the two ways teams actually run a rally car. The first bolts straight into the S4’s original chassis mounting points, no bodywork changes required, and suits drivers stepping up from tarmac use into their first gravel or snow events. The second is a genuine professional-spec setup, designed to be fitted once the car’s body has already been prepared for competition, and it’s this variant that top-flight rally teams tend to run once the chassis has been built to take it. Both are engineered around the demands of loose-surface driving: components sized to survive repeated hard compression, and geometry that keeps the wheel loaded and tracking rather than skipping across ruts and washboard. Which of the two suits your S4 depends on how far your own chassis has already been prepared for competition, so it’s worth confirming your car’s spec before ordering.

Fitment for the Audi S4 B8 4WD (2008-2016)

This kit is built for the B8-generation Audi S4 in its 4WD quattro configuration, chassis code AU22-1, covering the 2008 to 2016 model years. It’s specific to the 4WD B8 S4 rather than the wider B8 range, so check your car’s driveline and build year against this listing before ordering.

What buyers also search for

• Audi S4 B8 4WD rally suspension for gravel and snow stages
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Confirm which chassis configuration your S4 is running, then configure your Pro Rally spec below.