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Circuit Master

XYZ Racing Circuit Master Coilovers — Audi S3 SPORTBACK 8V φ55 (Modified Rear Integrated) 2013-2020

SKU: AU52-CM

  • 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 S3 SPORTBACK 8V φ55 (Modified Rear Integrated) (2013-2020) chassis AU52

Front spring rate (kg/mm)

22 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 22 kg/mm. A custom rate on this axle adds £80.00.

Rear spring rate (kg/mm)

12 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 12 kg/mm. A custom rate on this axle adds £80.00.

Configured price£2,890.00Inc. VAT

Lead time: 10–15 working days from payment


£2,890.00

Made to order. Full payment is taken at checkout. Production begins once payment is confirmed.

Pay by card, Apple Pay, Google Pay — or Klarna on eligible orders.

XYZ Racing Circuit Master Coilovers — Audi S3 SPORTBACK 8V φ55 (Modified Rear Integrated) 2013-2020

The 8V S3 Sportback carries its 2.0 TFSI and Haldex hardware up front, so the nose loads hard under braking and the standard dampers struggle to keep the front axle settled once you start stringing corners together on a circuit. Circuit Master coilovers replace that compromise with a monotube setup built specifically around this MQB-based chassis, addressing the rear integrated-link geometry this fitment (φ55, modified Rr integrated) is matched to.

This is the top-tier build in the XYZ Racing range, aimed squarely at sustained lap-time work rather than a single fast lap or a daily commute softened for speed bumps. On a car that already sends drive to all four corners, the goal here is keeping that grip usable when the track surface gets rough and the sessions get long.

What this coilover brings to your 2013-2020 Audi S3 Sportback

Fitted to the S3 Sportback, the kit’s damping range lets you set the front end firm enough to resist dive under trail-braking into a hairpin, then back the rear off enough that the Haldex system can still put power down cleanly on exit. Ride height adjustment brings the centre of gravity down without disturbing the S3’s factory geometry, which matters on a chassis where the front axle is already carrying turbo and AWD hardware. Because the valving is tuned for repeated heat cycles rather than one hot lap, the front-end push that shows up in this car after a handful of laps on stock suspension is far less likely to creep back in on lap fifteen.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ Racing’s line-up and is built for competition use across disciplines including racing, drift and tarmac rally, with development and testing carried out through XYZ’s own racing teams on circuits worldwide. The damper offers 9720 combinations of adjustment, controlled through 3 independent knobs, giving a genuinely wide window to move between a stiff qualifying set-up and a more compliant one for a bumpier layout. The small-oil-hole design in the knob assembly is a deliberate part of that adjustment range – on rougher track surfaces it can produce a faint noise as oil passes through the restricted passage, which is normal and not a fault. It’s a circuit-focused product first, so kerbs and expansion joints are what it’s built to shrug off rather than pothole-scarred B-roads.

Fitment for the Audi S3 Sportback (2013-2020)

This kit is built for the 8V-generation S3 Sportback, chassis code AU52, across the 2013-2020 production run, in the φ55 strut-diameter specification with the modified rear integrated-link set-up. Confirm your car matches this chassis code and year range before ordering, as the AU52 fitment differs from other 8V variants.

What buyers also search for

  • Audi S3 Sportback coilover upgrade for track and fast-road use
  • Audi S3 8V Circuit Master damping that copes with repeat lap sessions
  • Audi S3 Sportback height-adjustable suspension for AWD chassis
  • Audi S3 8V φ55 rear integrated-link coilover fitment

Spec your damping and ride height for this S3 Sportback below and build yours to match how you actually use it on track.

This is the best design, on the competitive version such as Racing Spec, Drift Spec, Tarmac Rally. This is the ultimate boutique for racing in many international athletics tracks, and test for a long time. This is for purchase handling high performance and the essential partner in different racing. Circuit Master Damper is tested through XYZ racing teams all over the world. 9720 ways of different adjustments can meet all customers’ needs and win the 1st place in every race.

Because its 3 adjustment knobs with small oil hole design, when driving through big bumps, the coilover oil will go through small passage which might cause some small noise. This is normal situation. This product is made for circuit tracks and there will be no concern for bumps on the tracks.

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 + rubber top mountPillow 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 rubber top mountHardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.

Rear

  • Iron top mountIronIRONIron upper mount — a heavy-duty housing built to take sustained load where a stronger top mount is required.
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