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Street Advanced

XYZ Racing Street Advanced Coilovers — Audi S4 B8 4WD 2008-2016

SKU: AU221-SA

  • IncludesFull set of 4 (front + rear)
  • Spring rate (F/R)16 / 3 kg/mm
  • Top mountOE (factory) mount
  • Lead time10–15 working days

Fits Audi S4 B8 4WD (2008-2016) chassis AU221

Front spring rate (kg/mm)

16 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 16 kg/mm. A custom rate on this axle adds £80.00.

Rear spring rate (kg/mm)

3 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 3 kg/mm. A custom rate on this axle adds £80.00.

Configured price£1,990.00Inc. VAT

Lead time: 10–15 working days from payment


£1,990.00

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 Street Advanced Coilovers — Audi S4 B8 4WD 2008-2016

The B8 S4’s supercharged 3.0 TFSI sits ahead of the front axle, and quattro’s permanent power split to the rear means body roll and dive transfer through four driven corners rather than two. Factory dampers on this chassis were tuned for ride comfort first, which leaves the nose diving under braking and the rear squatting under the V6’s low-end shove. XYZ Racing Street Advanced coilovers are built to correct that balance without turning a car you drive every day into something you have to plan a route around.

This is the road-biased end of the XYZ Racing range, built for owners who want their B8 S4 to hold a line through a B-road sweeper on a Tuesday and still line up for a track day on a Saturday. Height and damping are both adjustable, so the ride can be set stiffer for a circuit outing or backed off for the commute without swapping hardware.

What this coilover does for your 2008-2016 Audi S4 B8 4WD

With 720 damping settings on offer, you can dial compression and rebound separately front and rear – tightening the front to check the S4’s nose-heavy weight bias under trail braking, or backing off the rear to keep traction when quattro is putting power down out of a wet roundabout. Ride height drops and becomes adjustable per corner, letting you correct the factory’s slightly high stance and pull the centre of gravity down where the extra weight of the AWD driveline actually sits. Body control through direction changes improves noticeably, because the spring and damper rates are matched to the car rather than to a comfort-first factory brief shared across the wider B8 range. The result is a car that changes direction with less lag between input and response, and holds its composure under the S4’s own torque rather than fighting it.

About the Street Advanced coilover

XYZ Racing developed the Street Advanced kit over several seasons of testing, including feedback drawn from its motorsport programme, then adapted that learning for road use rather than pure competition. The core of the kit is a damper offering 720 distinct adjustment combinations, giving a far finer window between comfort and control than the two or three fixed settings typical of off-the-shelf road coilovers. It’s built for drivers who split their time between normal road use and the occasional track day, rather than a car that lives permanently on slicks. Construction favours durability under repeated adjustment and everyday load, so the kit holds its settings through daily use rather than needing constant re-tuning.

Fitment for the Audi S4 B8 4WD (2008-2016)

This kit is engineered specifically for the Audi S4 B8, chassis code AU22-1, built between 2008 and 2016, and covers the quattro all-wheel-drive powertrain layout. Mounting points and geometry are matched to the B8’s factory strut top and lower arm arrangement, so no adapter brackets are needed. Confirm your build year falls within the 2008-2016 range before ordering.

What buyers also search for

  • Audi S4 B8 suspension upgrade for road and occasional track use
  • Audi S4 B8 quattro coilovers with adjustable ride height
  • Audi S4 B8 4WD damping setup for daily driving and B-roads
  • Street Advanced coilover options for the Audi S4 B8

Spec your ride height and damping range for the B8 S4 and build yours below.

This is the most popular and functional product, which is developed for years by XYZ professional team.
After tested in famous worldwide races, it reaches the ultimate quality and performance.
Street Advance is made especially for normal road use or track day. It comes with 720 damping adjusting way to satisfy your request. It is indispensable equipment for drivers aspiring speed and controlling.

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.

  • OE (factory) mount top mountOE (factory) mountOERetains the OEM (factory) upper mount — preserves the original ride comfort, noise and vibration behaviour for a stock-like feel.
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