APR ECU Upgrade - 4.2L EA824 FSI V8 (S5)

Overview

APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR's optimization of the factory engine management system to take full advantage of the engine's capabilities, without needing any end user adjustment. The ECU Upgrades are available with various features and supported octane levels and each stage is compatible with most typical bolt-on modifications. The software is installed to the vehicle's factory ECU through the OBD-II port, resulting in a clean and headache-free install.

Features

• Horsepower - More horsepower throughout the whole rpm band
• Torque - More torque throughout the whole rpm band
• Fuel Grades - Multiple octanes from which to choose
• Acceleration - Accelerate faster with more power and reduced throttle lag
• Brake Boosting - Left foot braking or brake boosting added
• Speed Limiter - Go as fast as you want with the speed limiter out of the way
• Economy - While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
• Flash Counter - Flash counter does not increase with each flash
• Direct Port Programming - Clean and easy install through the OBD II port without removing the ECU
• Free Updates - Get free updates for life
• Guarantee - 30 day money back guarantee

Available Stages

APR Stage 1

The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 352 HP and 362 FT-LBS of torque with gains as high as +15 HP and +14 FT-LBS of torque at the wheels. APR Stage 1 is available for 91 AKI and 93 AKI in North America and 95 RON and 98 RON in the Rest of the World.