APR ECU Upgrades for Audi S4/S5 and SQ5

APR Stage 1 and APR Plus

• Horsepower – More horsepower throughout the whole rpm band
• Torque – More torque throughout the whole rpm band
• Warranty – APR Plus is available, providing a factory term limit matching limited powertrain warranty
• Stages – Multiple performance levels depending on installed hardware
• Fuel Grades – Multiple octanes from which to choose
• Ethanol – Ethanol support from E60-E85 for maximum performance
• Acceleration – Accelerate faster with more power and reduced throttle lag
• Linear Throttle – Pedal maps adjusted for a more linear feel
• Brake Boosting – Left foot braking or brake boosting added
• Rev Limiter – Increased redline for higher revving
• Standing Limiter – Increased standing limiter for higher revving at idle
• Speed Limiter – Go as fast as you want with the speed limiter out of the way
• Auto Start/Stop Inversion – Auto Start/Stop defaults to the off position
• Exhaust Flaps – Enhanced power delivery and drivability through recalibrated exhaust flap actuation
• Added Safety – Additional safety features and protection modes added
• Economy – While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
• Boost Gauge – The factory boost gauge displays accurate boost and reacts more quickly
• Power and Torque Gauges – The factory power and torque gauges are accurately rescaled
• Direct Port Programming – Clean and easy install to the factory ECU without opening the case