XYZ Racing Pro Rally Coilovers — Audi S4 B7 4WD 2004-2008

The B7 S4 carries a 4.2-litre V8 ahead of the front axle, and quattro’s permanent all-wheel-drive split sends that weight through every corner the instant the surface turns to gravel, mud or snow. On loose ground that nose-heavy, AWD-driven layout punishes a road-spec spring and damper – the front end dives under braking into a compression while the rear tries to keep the diff loaded and the car pointed straight.

This Pro Rally coilover kit is built specifically for that fight: top-flight rally competition, where the suspension has to survive repeated hard landings and still put quattro’s torque down predictably. It replaces the B7’s factory dampers and springs with a setup designed around wheel control on unsealed surfaces rather than tarmac compliance.

What this coilover does for your 2004-2008 Audi S4 B7 4WD

On loose surfaces the extended travel and rally-rated damping keep the front tyres tracking through compressions instead of skating, which matters directly on a car where quattro is already trying to manage a heavy V8 over the front wheels. Stiffer, purpose-built spring rates hold the S4’s ride height and geometry through the kind of hard landings a road coilover isn’t built to absorb repeatedly, and that stability lets the AWD system put power down out of loose corners rather than fighting wheel patter. Adjustable ride height also buys the ground clearance a B7 needs once you’re off tarmac, without giving up the control this chassis needs when the road turns back to asphalt between stages.

About the Pro Rally coilover

XYZ’s Pro Rally line is built around the reality that gravel and snow suspension is a different engineering problem to road or circuit work, and the kit ships in two configurations depending on how far the car has already gone. The amateur-spec build mounts directly into the S4’s original chassis mounting points, keeping installation straightforward for a car that’s still largely stock underneath. The professional-spec build is designed for cars where the body has already been modified for competition, and is set up to work with those altered mounting points and the wider suspension geometry that rally-prepped chassis typically run. Both share the same damping and spring philosophy – control through repeated hard compressions rather than a single big hit – which is what separates a rally-rated coilover from a fast-road or track kit.

Fitment for the Audi S4 B7 4WD (2004-2008)

Built for the Audi S4 B7 4WD, chassis code AU20-2, covering the 2004 to 2008 production run. This is the quattro all-wheel-drive B7 platform specifically – confirm your S4 sits within this chassis code and year range before ordering.

What buyers also search for

• Audi S4 B7 rally suspension for gravel and snow stages
• Audi S4 B7 quattro coilovers built for competition rather than road use
• Audi S4 B7 4WD suspension with amateur and professional mounting options
• Rally-rated coilovers for the B7-generation Audi S4

Spec your Pro Rally kit for the S4 B7’s mounting configuration and build yours below.