APR 2020+ Audi S8 (D5) 4.0 TFSI (EA825) ECU Upgrades!

• Delivers up to 685-767 HP with 731-804 FT-LBS depending on octane
• Max gains of +128-222 AWHP and +165-245 AWFT-LBS depending on octane
• Supports 91 AKI, 93 AKI, 100 AKI, and 104 AKI fuel grades
• Optional factory term limit matching limited powertrain warranty with APR Plus
• Quicker acceleration
• Speed limiter removed
• Standing RPM soft limiter increased
• Left-foot braking / brake boosting added
• Properly rescaled performance gauges
• Optimized thermal management and protection
• Optimized launch control strategy for faster response
• Optimized driveline protection during launch
• No hardware required (Software only)
• Supports standard bolt on modifications
• Eliminated the need for a TCU upgrade to achieve full torque
• Free lifetime updates
• Direct OBDII port flash (No ECU removal)
• 30 day money back guarantee