XYZ Racing Tarmac Rally Coilovers — Audi TT 8S φ55 (Cancellation Kit for Electronic Damping) 2015-2026

The TT 8S’s optional electronic adaptive damper reads input from the factory struts and adjusts resistance on the fly, and that’s exactly the circuit a mechanical coilover swap has to work around. This XYZ Racing Tarmac Rally kit is built for the 8S with a cancellation loom included, so once the OEM magnetic-ride struts come out, the car’s ECU stops hunting for sensors that no longer exist and the dash stays clear of fault codes.

Tarmac Rally is the compound-adjustable damper series built for closed-road stage work rather than circuit lapping – repeated hard hits over broken and uneven surfaces, crests, and camber changes, rather than sustained high-speed load. On an 8S run on sealed stages, that distinction matters more than outright stiffness.

What this coilover does for your 2015-2026 Audi TT 8S Φ55 (cancellation Kit For Electronic Damping)

Fitted to a 2015-2026 TT 8S, the Tarmac Rally kit is tuned to soak up the sharp, repeated jolts a stage throws at a car – broken tarmac edges, pothole scars, sudden camber changes – without the shock transmitting straight into the body and unsettling the chassis mid-corner. That control keeps the tyre’s contact patch loaded more consistently through compression, which on the 8S translates directly into traction you can actually use when you’re back on the throttle out of a hairpin. Because the electronic damper’s own logic is cancelled rather than fought, the ride the driver feels is purely what the mechanical valving is doing – no conflicting inputs from a system trying to second-guess a strut that’s no longer there. The result on this chassis is a car that settles faster after a hit and holds its line rather than skipping across the next imperfection.

About the Tarmac Rally coilover

The Tarmac Rally coilover is XYZ Racing’s damper for sealed-stage rally use, built to take repeated big hits – kerbs, potholes, surface breaks – without the shock reaching the driver or unsettling the body. The valving is set up specifically to absorb that jolt and suppress it before it becomes body movement, which is what keeps the tyre pressed into the road and the traction figures up rather than the car skating over the surface. That damping behaviour also underpins the handling stability the type is known for: a chassis that stays composed as load transfers stage after stage, corner after corner. The settings baked into this kit come directly from XYZ Racing’s own tarmac rally programme rather than being adapted from a road or circuit spec, which is why the compression and rebound balance leans towards absorbing chaos rather than resisting it outright.

Fitment for the Audi TT 8S Φ55 (cancellation Kit For Electronic Damping) (2015-2026)

This kit is specced for the Audi TT 8S, chassis code AU46-C, covering the 2015 to 2026 production run, and is built specifically for cars fitted with the factory electronic adaptive damper (Φ55 strut diameter) – the cancellation kit for that system is included as part of the fitment, not sold separately.

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Built for the 8S’s specific electronics as well as its chassis, this kit takes the guesswork out of a rally-spec conversion – configure yours below.