XYZ Racing Street Advanced Coilovers — Audi RS4 B7 AVANT 4WD 2006-2008

The B7 RS4 Avant carries its 4.2 V8 well forward of the front axle, and that quattro layout means the nose loads up hard the moment you’re off the power and back on it through a fast direction change. A fixed factory spring rate has no way to answer that shift in load on demand – this is where Street Advanced steps in, with 720 damping combinations built into the kit so the front and rear can be balanced against that nose-heavy weight distribution rather than compromised around it.

Street Advanced is XYZ Racing’s road-and-track crossover coilover, sitting between comfort-first and full competition setups. On a wagon that’s often doing motorway miles between B-road blasts, that range matters: the 4.2’s weight over the nose wants support through direction changes, but the car still needs to ride properly on UK tarmac the rest of the week.

What this coilover does for your 2006-2008 Audi RS4 B7 AVANT 4WD

Dropping the ride height and fitting adjustable damping addresses the RS4 Avant’s biggest chassis compromise: factory suspension tuned around ride comfort and a load-carrying estate body, not the cornering loads that quattro traction and 420bhp actually generate. With 720 damping steps available, you can firm up compression to control the nose diving under trail braking, then back it off again for a daily motorway run without touching springs or components. Lowering the centre of gravity also cuts the body roll that a tall factory ride height allows, sharpening turn-in response through the front end that quattro drivetrains can otherwise mask. The result on the road is a car that changes direction with less lag between input and response, and holds its line through a loaded corner instead of pushing wide as the nose settles.

About the Street Advanced coilover

XYZ Racing developed the Street Advanced platform over several years of use across its own race programme, refining it before bringing the specification down to road-going form. It’s built as the marque’s most widely fitted product for exactly that reason: 720 ways of damping adjustment cover a genuinely wide band, from a soft, compliant setting for everyday driving to a firm setting that holds up on a track day without needing a second set of dampers. The construction is aimed squarely at drivers who want to cover both bases in one car – road commuting and the occasional circuit outing – rather than a single-purpose part built only for one or the other. It’s the specification XYZ positions as the sensible middle ground in its coilover range: adjustable enough to matter, without tipping into a setup that’s uncomfortable to live with daily.

Fitment for the Audi RS4 B7 AVANT (2006-2008)

This kit is specced for the B7-generation RS4 Avant, chassis code AU20-1, covering the 2006 to 2008 model years in quattro 4WD form. Confirm your car matches this chassis code and body style before ordering, as coilover geometry differs between the Avant and other B7-based Audi variants.

What buyers also search for

• Audi RS4 B7 Avant suspension upgrade for road and track use
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• Audi B7 RS4 adjustable coilovers for reducing nose dive under braking

Pick your damping spec and configure yours below.