The CTS Turbo rear anti-roll bar for the Audi B9/B9.5 platform improves steering precision and vehicle stability. The two-stage adjustment allows the vehicle’s handling characteristics to be tailored, while the anti-roll bar’s stiffness is increased by 175–214% compared with the factory hollow rear anti-roll bar. The one-piece solid steel construction with a diameter of 22.5 mm provides high stiffness and durability while significantly reducing body roll for a flatter and more controlled feel through corners.
The anti-roll bar improves turn-in response and rear-end stability, making cornering smoother and more predictable. It is suitable for drivers who want more responsive and confident vehicle behaviour on the road or track, without significantly affecting comfort during everyday use.
Features
- Two-stage adjustment: allows precise adjustment of the anti-roll bar’s stiffness. A stiffness increase of 175–214% compared with the factory “Sport” anti-roll bar is available, depending on driving style and conditions.
- One-piece solid construction: made from a 22.5 mm diameter steel bar for greater durability and strength, as well as consistent performance during demanding driving.
- Reduced body roll: helps keep the vehicle flatter and more balanced through fast corners, improving handling and grip.
- Improved steering response: provides a more direct and responsive steering feel.
Weight: 9.07 kg
Suitable for: Audi A4 IV (B9), Audi A5 II (F5/F53), Audi RS5 II (F5), Audi S4 VIII (B9), Audi S5 II (B9).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi A4 | — | 2017–2023 | — |
| Audi A5 | — | 2017–2023 | — |
| Audi ALLROAD | — | 2017–2023 | — |
| Audi RS5 | — | 2019–2023 | — |
| Audi S4 | — | 2017–2023 | — |
| Audi S5 | — | 2017–2023 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.

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