XYZ Racing Super Sport Coilovers — Cadillac CTS I 2003-2007

The first-generation Cadillac CTS arrived with GM’s Sigma platform, a rear-drive saloon that finally gave Cadillac the bones to chase BMW on a B-road. The factory dampers never quite did the chassis justice – the CTS I rides taller than its handling balance deserves, and the soft compression curve washes away the keen turn-in that the wider front track keeps promising. The Super Sport coilover is built to unlock what GM left on the table.

For a 2003-2007 Cadillac CTS I used on fast roads with the occasional weekend track outing, this is the spec that makes sense. It drops the saloon onto an adjustable platform, tightens the body control, and gives the front end an honest line of communication with the steering rack.

What this coilover does for your 2003-2007 Cadillac CTS I

Ride height is fully adjustable, so you can set the CTS at a stance that matches your tyre and wheel package without the usual nose-up rake the factory dialled in. The 36-way damping range is the headline feature – one knob, a clear click detent at each step, and a wide enough span to run the car soft on a poorly surfaced A-road on Friday and firmer on a smoother circuit on Sunday. Body roll into a long third-gear sweeper is checked properly, and the rear axle stops floating over mid-corner bumps the way it does on tired OEM struts. Braking pitch is reined in, which matters on a 1.7-tonne saloon trail-braking into a hairpin. The result is a CTS I that finally feels like the sporting Cadillac the marketing claimed it always was.

About the Super Sport coilover

The Super Sport is XYZ Racing’s dual-purpose damper, engineered specifically to take the harshness out of bumpy British roads while still holding the car flat under hard cornering loads. Each unit carries 36 clicks of compression-and-rebound adjustment via a single combined knob, and the threaded body lets you separate ride-height adjustment from spring preload so you keep usable shock travel at any drop. The internal valving is set for a broader frequency range than a pure circuit coilover, so coarse surfaces and expansion joints are absorbed rather than transmitted. Spring rates and damper tune are matched to the Cadillac’s kerb weight and front-heavy bias, not pulled off a generic shelf. It is a high-performance damper suitable for daily driving, weekend road work, and the occasional trackday on the same car, on the same setting if you want, or with a few clicks between to suit the surface.

Fitment for the Cadillac CTS I (2003-2007)

This kit fits the first-generation Sigma-platform Cadillac CTS (chassis CA01) built between 2003 and 2007, covering the 2.6, 2.8, 3.2 and 3.6 V6 saloons in standard suspension trim. CTS-V cars run a different damper geometry and are not covered by this part number.

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Pick your spring rate, top-mount and damping preference below and configure your Super Sport kit for the CTS.