Haldex ECU upgrade Gen IV, Competition mode for Golf, Audi,Skoda Seat

Unleash the full potential of your Quattro drivetrain

Take your Audi,VW,Skodaand Seat (2009–2014) to a new performance level. This Competition‑mode ECU upgrade delivers the same aggressive tuning as the Race version — but with an added advantage: active torque distribution to the rear wheels even under braking, enabling left‑foot braking without clutch disengagement.

Perfect for drivers who demand absolute control on track, in competition, or during high‑intensity driving.

Key Performance Advantages

• Enhanced rear‑wheel torque delivery for sharper corner exits
• Left‑foot braking capability without losing rear‑axle engagement
• More stable, predictable handling under heavy load
• Motorsport‑focused calibration for maximum performance
• Fully compatible with couplings marked OBY52…
• 100% plug‑and‑play installation — no coding required