
XYZ Racing Racing Spec Coilovers — Audi RS3 SEDAN 8V φ55 (Modified Rear Integrated) 2013-2020
SKU: AU63-RS
- IncludesFull set of 4 (front + rear)
- Spring rate (F/R)22 / 12 kg/mm
- Top mountFront: Pillow ball + rubber / Hardened rubber · Rear: Iron
- Lead time10–15 working days
Fits Audi RS3 SEDAN 8V φ55 (Modified Rear Integrated) (2013-2020) chassis AU63
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The RS3 Sedan’s nose-heavy 2.5 TFSI five-cylinder sits ahead of the front axle, feeding quattro all-wheel drive that can mask chassis imbalance right up to the point it doesn’t. On a genuine trackday or time-attack weekend, that mass transfer under trail-braking and mid-corner load is what separates cars that rotate cleanly from cars that simply push wide. XYZ Racing’s Racing Spec coilover for the AU63-chassis RS3 8V φ55 is built to manage that load transfer rather than just stiffen against it.
Racing Spec sits above the Top Sport and Super Sport tiers in the range, aimed squarely at drivers running the car on slicks or R-compounds at circuit pace rather than fast-road use. Damping and spring rate are set for repeat sessions where consistency matters more than ride comfort, with the rear geometry matched to this Modified Rr Integrated φ55 mounting point specific to the sedan bodyshell.
What this coilover does for your 2013-2020 Audi RS3 Sedan
Fitted to the RS3 Sedan, the Racing Spec kit tightens the connection between the quattro drivetrain and the road surface, cutting the pitch and dive that the 2.5 TFSI’s front-mounted mass otherwise generates under hard braking into a corner. Stiffer, track-calibrated spring rates hold the nose level enough that the front tyres keep working through trail-braking, instead of the car understeering as weight piles onto the outside front corner. At the rear, the φ55 damper and Modified Rr Integrated mount give the multi-link axle a firmer, more predictable response as the Haldex system starts sending drive rearward out of slow corners, so the back axle settles rather than stepping loose over kerbs and mid-corner bumps. Ride height is adjustable independently of preload, so the RS3 can be set low enough for aero balance on track without losing the wheel travel a fast road session still needs.
About the Racing Spec coilover
XYZ Racing developed the Racing Spec line directly out of circuit competition rather than in isolation on a test bench: damping curves and spring rates trace back to setups run in series such as the WTCC, where a five-cylinder AWD platform like the RS3’s has to cope with sustained high-speed loading over a full session. That racing-derived baseline is what separates Racing Spec from the brand’s road-biased ranges. For cars pushed further still, factory-level race builds or A-class competition machinery, XYZ Racing will produce a bespoke shock absorber rather than force the standard spec to cope: send over the car’s full upgrade list and the circuit it’s built for, and the damper is built around that specific combination rather than a generic track setting.
Fitment for the Audi RS3 Sedan (2013-2020)
This kit is built specifically for the AU63-chassis Audi RS3 Sedan 8V, covering the 2013 to 2020 model years, in the φ55 rear shock diameter with the Modified Rr Integrated mounting configuration used on this bodyshell. Confirm your car matches this rear shock spec before ordering, as the 8V range was produced with more than one rear mounting arrangement across its production run.
What buyers also search for
- Audi RS3 Sedan 8V coilover upgrade built for time-attack and trackday use
- Audi RS3 quattro suspension setup that keeps the nose settled under trail-braking
- AU63 chassis Racing Spec damper with φ55 Modified Rr Integrated rear mount
- Audi RS3 Sedan track coilover with independently adjustable ride height and damping
- Custom Racing Spec shock absorbers for heavily modified RS3 8V race builds
Racing Spec is one tier in XYZ Racing’s coilover range for the RS3 8V – pick your spec and configure the exact build for this AU63 fitment below.
Top mounts included with your kit
Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.
Front
Pillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.
Hardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.
Rear
IronIRONIron upper mount — a heavy-duty housing built to take sustained load where a stronger top mount is required.
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Coilover ranges, brake kits and wheels for this car
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