XYZ Racing Super Sport Coilovers — Audi TT RS 8S 4WD φ55 (Modified Rear Integrated) 2015-2026

The TT RS 8S’s quattro system routes drive through a Haldex-based coupling that only fully engages the rear axle once the front has already loaded up, which means ride height and damping at each end need to be set independently rather than as a single compromise. This Super Sport coilover kit for the AU58-1 chassis is built around that handoff: a modified, rear-integrated φ55 damper body lets you separate front and rear behaviour instead of accepting whatever balance the factory struts settled on.

XYZ Racing positions Super Sport between its comfort-biased road kits and its outright competition dampers, aimed at TT RS owners who want fast-road miles during the week and a track day without a full respec every Friday night. Ride height adjustment and 36-way damping give you the range to move between the two.

What this coilover does for your 2015-2026 Audi TT RS 8S 4WD Φ55 (Modified Rr Integrated)

Independent ride height adjustment lets you drop the TT RS’s front end to match the weight the EA855 five-cylinder carries over the front axle, sharpening turn-in without the car pitching onto its bump stops on a B-road. The 36-way damping adjustment is the more useful tool day to day: winding in low-speed compression firms up body control through direction changes so the quattro system’s rear engagement feels progressive rather than sudden, while backing it off keeps the ride liveable on UK tarmac between track days. Because the rear is a modified, integrated φ55 unit specific to this chassis, both ends respond to adjustment the way the 8S’s own subframe geometry expects, rather than through a generic bolt-in compromise.

About the Super Sport coilover

XYZ Racing’s Super Sport damper is built to take out the harshness that comes with rough UK road surfaces without giving up the adjustment range a track day demands. Ride height is adjustable independently of the damping, so lowering the TT RS doesn’t force you into a single fixed compression and rebound setting. The 36-way damping adjustment covers a wide enough spread that the same coilover can be run soft for a daily commute or firmed up considerably for a circuit session, and XYZ positions Super Sport as suitable for both weekend racing and everyday use rather than one or the other. For the 8S’s φ55 rear, the damper body has been modified with the rear integration this chassis needs, rather than adapted from a shared platform part.

Fitment for the Audi TT RS 8S 4WD φ55 (Modified Rr Integrated) (2015-2026)

This kit is built for the AU58-1 chassis code, covering Audi TT RS 8S 4WD models from 2015 through to 2026. The rear damper uses the modified, integrated φ55 specification for this quattro platform, so it’s matched to the 8S’s rear subframe rather than a generic multi-fitment part.

What buyers also search for

• Audi TT RS 8S suspension upgrade for fast road and weekend track use
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• Audi TT RS 8S Super Sport coilover ride height and 36-way damping adjustment
• AU58-1 chassis-specific φ55 rear coilover for the Audi TT RS

Super Sport is one of several XYZ Racing options built for this specific TT RS 8S fitment – configure yours below.