Built for the EA824 & EA825 twin-turbo V8 in the Audi RS6 Avant, Audi RS7 Sportback, and Audi S8 & more, this Stage 3 ECU & TCU bundle is the complete, no-compromise setup.
Engine and gearbox calibrated as one system. Built for extreme power and total control.
Stage 3 ECU & TCU Package
A full custom calibration package designed around extensive hardware upgrades. Maximum airflow. Maximum fueling. Maximum transmission capacity.
Required hardware
Upgraded turbos (hybrid or full-frame)
High-flow exhaust manifolds
High-flow downpipes
Performance intakes
Air-to-air intercooler system
Upgraded HPFP (high-pressure fuel pump)
Upgraded LPFP (low-pressure fuel pump)
Upgraded fuel lines
Reinforced valve springs
Water-methanol injection system/controller
What’s included
Engine (ECU):
Full custom Stage 3 ECU remap
Boost control calibrated for upgraded turbo systems
Advanced ignition mapping under extreme load
Complete fueling strategy (HPFP, LPFP, fuel lines, water-meth)
Raised torque, load, and airflow limiters
Precision throttle mapping for high-power control
Gearbox (TCU):
Full custom Stage 3 TCU remap
Maximum clutch pressure calibration
Ultra-fast shift speeds under full load
Fully optimised shift strategy for high-power applications
Raised torque limits to match engine output
Reduced torque intervention during shifts
Enhanced launch control for maximum traction
Gear-dependent torque management
What it feels like
Explosive, relentless acceleration
Massive torque delivery across the rev range
Violent, instant gear changes under load
No slip. No hesitation.
Continuous pull to redline
Engine and gearbox operate in complete sync.
Driving characteristics
Controlled at light throttle. Extremely aggressive under load.
Built for road and high-performance use.
Performance gains
Maximum horsepower and torque output
Dramatically faster acceleration in all conditions
Consistent performance under repeated high load
Full utilisation of upgraded hardware
(Results vary depending on turbo setup, fueling, and calibration)
Why choose Stage 3 bundle
Complete ECU and TCU integration
Built to handle extreme power safely
Unlocks full potential of all supporting hardware
Ensures gearbox reliability under high torque
Final evolution of the EA824 & EA825 platform
Maximum power. Maximum control. Nothing left on the table.
