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Cadillac CTS I 2003-2007 — Coilovers

The first-generation Cadillac CTS sat on GM’s rear-drive Sigma platform with a long bonnet and plenty of mass slung over the front axle, and from the factory it relied on soft, long-travel damping that let the body float and roll well before the tyres gave up. That softness is exactly what owners of the 2003-2007 CTS I run into first: vague turn-in, noticeable dive under braking and a rear that squats and goes light when you feed in throttle out of a corner. A set of XYZ Racing coilovers is the most direct way to take that slack out of the chassis.

These Cadillac CTS I 2003-2007 coilovers replace the original struts and dampers with a height-adjustable, damping-adjustable platform, so you set the ride height and the body control to suit how you actually use the car rather than living with GM’s default compromise.

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

Drop the CTS I a sensible amount and you immediately lower the centre of gravity that makes a heavy RWD saloon roll, which tightens turn-in and steadies the car mid-corner. Firming up the damping reins in the nose-dive under braking and the rear squat that unsettles the Sigma chassis when you get on the power early. Because both ride height and damper firmness adjust independently, you can keep enough compliance for British B-roads while still standing the car flatter through faster, loaded corners. The result is a CTS that feels like the sports saloon it was meant to rival, with stance to match.

About the XYZ Racing coilover range for the CTS I

Each kit in this range is a full coilover assembly: a threaded body for ride-height adjustment separate from spring preload, paired with adjustable damper valving so compression and rebound control are set by the driver, not fixed at the factory. The range spans seven setups for the CTS I, each tuned to a different job. Super Sport leans toward fast-road manners, Top Sport and Circuit Master step up spring rates and damping control for track-day and circuit use, and Racing Spec sharpens that further for committed competition work. Tarmac Rally and Pro Rally cover stage and sealed-surface rally setups, while Drift Spec suits the rear-drive CTS V8 owners building a car for angle and lock. Whichever you choose, the underlying hardware is built to hold its settings under repeat heat cycles rather than fade after a few hard miles.

Fitment for the Cadillac CTS I (2003-2007)

These coilovers are built for the first-generation Cadillac CTS (chassis code CA01) across the full 2003 to 2007 model run on the rear-drive Sigma platform. Confirm your exact year and trim against the spec options before ordering so the kit matches your car.