APR 3.0T ECU Upgrade now supports the 2021 Audi S4, S5, and SQ5

By: APR | 04/22/2021 < Back to Blog Home
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Our popular 3.0T ECU Upgrade now supports the 2021 Audi S4, S5, and SQ5! Get up to 431-480 HP with 467-549 FT-LBS of torque with max gains of +123 AWHP and +176 AWFT-LBS of torque over stock! Visit our product page to get all of the details!

  • 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
  • Free Updates - Get free updates for life
  • Guarantee - 30 day money back guarantee
APR 3.0T ECU Upgrades
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