XYZ Racing Tarmac Rally Coilovers — Audi A4 B7 4WD 2004-2008

The B7-generation A4’s quattro layout sits its longitudinal engine ahead of the front axle, loading the nose hard under braking and through the compressions that pepper a closed-road tarmac stage. XYZ Racing’s Tarmac Rally coilover is built around that load pattern specifically, not around a comfortable daily ride.

This is a stage-specific damper set, tuned for the crests, ruts and camber changes of tarmac rally events rather than fast-road use. On an A4 B7 running full-time quattro, controlling axle loading through rapid direction changes is the entire job.

What this coilover does for your 2004-2008 Audi A4 B7 4WD

Over a rally stage’s surface changes – a sudden dip after a blind crest, a broken edge on a hairpin – the damper has to absorb a hard jolt without letting the body kick sideways. That’s the core of the Tarmac Rally spec: it soaks up the impact from uneven pavement and big compressions, keeping the tyre loaded against the road rather than skipping across it. On a quattro A4, that matters twice over – the nose-heavy weight bias already asks a lot of the front tyres under trail-braking into a hairpin, and the four-wheel-drive system can only put its traction advantage down if all four contact patches stay planted. Suppressing body movement through the stage keeps the car settled enough that quattro’s traction actually translates into corner speed, instead of getting soaked up by a bouncing chassis. For the 2004-2008 A4 B7 4WD specifically, that’s the difference between a car that tracks straight over broken tarmac and one that’s constantly correcting.

About the Tarmac Rally coilover

XYZ Racing built the Tarmac Rally line around one job: surviving a closed-road stage without losing control over what the surface throws at the car. The valving is set up to soak up impacts from broken and uneven tarmac, including the harder hits from larger bumps and compressions, without transmitting that shock straight into the body. Keeping body movement suppressed under those hits does more than protect the chassis – it keeps the tyre’s contact patch doing its job, which is where the actual traction gain comes from. The result is a car that holds its line and stays predictable as the surface degrades through a stage, rather than one that gets progressively more nervous. XYZ Racing didn’t derive these settings on a test bench alone; the damping curves come from its own Tarmac Rally programme, refined against how real stage cars behave when they’re pushed hard.

Fitment for the Audi A4 B7 4WD (2004-2008)

This kit is built for the B7-generation Audi A4 4WD, chassis code AU19, covering the 2004 to 2008 model years. It’s specific to the quattro drivetrain variant of the B7 A4 – confirm your car matches this chassis code and year range before ordering.

What buyers also search for

• Audi A4 B7 4WD rally coilover for closed-road tarmac events
• Audi A4 B7 quattro suspension upgrade built for stage driving rather than the school run
• Audi A4 B7 4WD coilover kit for uneven surfaces and repeated heavy hits
• Tarmac rally damping for the Audi A4 B7 that keeps quattro traction working through a stage

Spec is only half the story on a car built for stages rather than daily use – pick your Tarmac Rally setup for the A4 B7 4WD below.