Audi RS4 B7 Stage 1 ECU Tuning Software

QST ECU Software (Remap) for the Audi RS4 B7. Our Software has been expertly developed on the dyno and tested vigorously on the road to provide a fully developed tuning solution offering exceptional gains in HP and Torque throughout the powerband and drivability exceeding expectations whilst still maintaining complete reliability as you would expect. 

*Flap Delete software option available*

Included in the price is Before and after dyno time with pre-tuning health-check in our workshop.

Power gains of up to:

+25-35HP

+25NM

Gains are dependent on vehicle health and fuel quality, QST recommend Shell V-Power or Tesco Momentum Fuels.