XYZ Racing Racing Spec Coilovers — Audi S3 SEDAN 8V φ55 (Modified Rear Integrated) 2013-2020

The Audi S3 Sedan 8V carries its EA888 lump low and forward, and once the wheelbase is loaded hard into a chicane, that mass wants to keep travelling straight even after the front tyres have found grip. Standard-length and off-the-shelf adjustable dampers rarely give you enough range to keep the rear axle tied down at the same rate the front is being asked to work, particularly on a modified Rr Integrated 8V running a Φ55 shock body.

XYZ Racing’s Racing Spec coilover is built for exactly that mismatch. It is the option for owners doing serious track and time-attack sessions in the S3, where damping needs to be set and held at settings closer to a race car’s than a fast-road hatch’s.

What this coilover does for your 2013-2020 Audi S3 Sedan 8V φ55 (Modified Rr Integrated)

Fitted to this chassis, the Racing Spec kit lets you firm up compression and rebound to a level that keeps the S3’s nose planted under trail braking into a corner, rather than letting the front dive and wash into understeer. Because the settings this damper ships with have come out of circuit racing rather than a bench test, the transition from turn-in to mid-corner load feels more predictable at speed than it does on a road-biased setup – you get less of the pitch and squat that unsettles the quattro platform’s weight transfer between axles. On a car already carrying "aggressive upgrades", as XYZ term it, the extra spring and damping headroom keeps the chassis’ behaviour consistent as lap after lap loads the rear subframe and diff mounts. The Φ55 shock body and Rr Integrated rear geometry on this specific fitment mean the kit is matched to how this generation S3 actually locates its rear axle, not a generic strut swap.

About the Racing Spec coilover

XYZ Racing developed the Racing Spec damper specifically for track racing, drawing its valving and spring rate data from direct involvement in circuit competition – WTCC among it. That heritage shows up as a damper tuned toward the way a race car actually behaves under load, rather than a compromise built to also ride comfortably on a commute. For cars that have gone further than a stock track-day build – S3s running factory-style aero, aggressive alignment, or other A-class-style modifications – XYZ will build a custom-specification shock absorber around the car’s actual setup and the circuit it’s aimed at, rather than a one-size damper. That route starts with the owner supplying details of what else has been done to the car and where it’s being run, so the valving can be matched to the rest of the build instead of guessed at.

Fitment for the Audi S3 Sedan 8V (2013-2020)

This kit is built for the Audi S3 Sedan, chassis code AU54, across the 2013-2020 production run, specifically for the Φ55 shock-body variant with the modified Rr Integrated rear configuration. Confirm your S3 matches this rear-end specification before ordering, since the 8V platform was sold with more than one rear damper mounting arrangement over this period.

What buyers also search for

• Audi S3 Sedan 8V track coilover setup for the EA888 quattro platform
• Audi S3 Racing Spec damper for time-attack and circuit driving
• Audi S3 8V Φ55 rear-integrated coilover fitment for modified builds
• Audi S3 custom shock absorber option for heavily upgraded track cars

Spec your Racing Spec coilovers for this S3’s exact Φ55 rear-integrated fitment and configure yours below.