Audi RS7

APR ECU Upgrade for the Audi C7.5 RS7 4.0 TFSI V8

APR’s ECU Upgrades are available in multiple stages, supporting various octanes both with or without any hardware modifications. All stages are fully compatible with an upgraded intake, cooling system, catback exhaust, or other minor bolt on modifications. APR Stage II software is available for a high flow Race DP exhaust system.

APR Stage I ECU Upgrade

The APR Stage I ECU Upgrade requires no hardware modifications and is available with 665-722 HP and 726-849 FT-LBS of torque, depending on octane. Gains as high at +119-212 HP and +183-304 FT-LBS of torque are available throughout the power band!


APR Stage II ECU Upgrade

The APR Stage II ECU Upgrade requires a high flow Race DP exhaust system and is available with 687-759 HP and 777-889 FT-LBS torque, depending on octane. Gains as high as +151-250 HP and +224-345 FT-LBS of torque are available throughout the power band! This software must be used with a high flow Race DP exhaust system.


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Acceleration Enhancements:
Beyond horsepower and torque enhancements, APR’s Calibration Engineers were able to increase the acceleration rate of the vehicle through other calibrations changes. Ignition delay is reduced resulting in a more responsive pedal without altering overall throttle sensitivity. Furthermore, throttle lag commonly noticed at slow speeds and while reapplying throttle has been reduced.

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Fuel Economy:
APR’s Calibration Engineers paid close attention to several parameters directly related to fuel economy, especially while cruising at highway speeds. Depending on driving style and fuel quality, better miles per gallon may be achieved.

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Speed Limiter:
APR’s ECU upgrade increases the vehicle’s top speed limiter for blistering sprints around the track or across the Autobahn without the speed limiter shutting down the fun.

Left Foot Braking

Left Foot Braking / Brake Boosting:
APR’s Left Foot Braking feature allows more control over the vehicle’s throttle. The factory equipped vehicle’s throttle input is disabled while pressing the accelerator and brake at the same time. Left Foot Braking, a common motorsport driving technique, allows the driver complete control over the vehicle’s throttle and braking system, which may give the vehicle the edge it needs at the track.