XYZ Racing Circuit Master Coilovers — Audi RS3 SEDAN 8V φ55 (Modified Rear Integrated) 2013-2020

The Audi RS3 Sedan 8V carries a five-cylinder turbo engine sitting ahead of the front axle, wrapped in a quattro all-wheel-drive system that shifts weight rearward hard under power and forward hard under braking. XYZ Racing’s Circuit Master coilover kit for this chassis (φ55, modified rear-integrated mounting) is built around that load pattern rather than fitted as a generic spring-over-shock swap.

Circuit Master is XYZ’s dedicated track-day platform, developed for sustained circuit lap-time work rather than a single fast lap or a fast-road commute. On the RS3 Sedan it’s aimed at owners running open-pit-lane sessions and time-attack days who need the platform to hold its line consistently across a twenty-minute run, not just the first lap out of the pits.

What this coilover set does for your 2013-2020 Audi RS3 Sedan

With 9720 possible damping combinations across the three external adjustment knobs, you can separate the low-speed compression circuit that controls body roll from the high-speed circuit that deals with kerb strikes and mid-corner bumps – useful on a chassis where the quattro driveline already adds unsprung mass over the front axle. Getting on top of that mass’s tendency to plough on turn-in is where a wide damping range earns its keep on the RS3 Sedan: the front end settles quicker after a lift-throttle transition, and the rear axle stays planted rather than stepping out under trail-braking. Ride height is set at the coilover sleeve rather than at the spring perch alone, so you can drop the RS3 Sedan’s stance without giving up the wheel travel a circuit surface demands. On a car that carries meaningfully more weight over the front wheels than the standard A3 it’s based on, having damping and ride height set independently matters more than it would on a lighter platform.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ’s coilover range, developed for competition classes such as time attack and tarmac rally rather than dual-purpose road-and-track use. XYZ’s own racing teams have run this damper internally across international circuit programmes, and the 9720-way adjustment figure comes from combining the individual ranges of the three external knobs rather than a single dial. Each knob works through a small-bore oil passage rather than one large valve, which is what delivers the fine-grained adjustment – the trade-off is that on a sharp kerb or a heavy bump the oil moving through that passage can produce a faint noise, which is a characteristic of the design rather than a fault. Construction is monotube, sized to the RS3 Sedan’s φ55 strut body, with the rear geometry specified as modified and rear-integrated for this fitment rather than carried over from a front-only spec. It’s a damper built for repeated circuit sessions, where the adjustment range needs to cover a cold, green track in the morning and a rubbered-in surface by the afternoon.

Fitment for the Audi RS3 Sedan (2013-2020)

This kit is specified for the Audi RS3 Sedan built on the 8V platform, chassis code AU63, across the 2013-2020 production run, with the φ55 strut diameter and modified rear-integrated mounting noted for this fitment. Confirm your build year sits within that range before ordering, since Audi revised suspension mounting points across the 8V’s production life.

What buyers also search for

• Audi RS3 Sedan 8V coilover upgrade for track and fast-road driving
• Audi RS3 Sedan Circuit Master damping that holds up across repeat circuit sessions
• Audi RS3 Sedan quattro suspension setup for time attack and tarmac rally
• Audi RS3 Sedan adjustable ride height coilovers that keep track-day wheel travel

Spec the Circuit Master to your RS3 Sedan’s exact build and adjustment preference – configure yours below.