The 4.0L Twin Turbo V8 is one of the most advanced and capable engines in the VAG lineup. With its robust twin-turbo design and high-performance fueling system, this engine responds exceptionally well to ECU tuning.
TuneZilla’s ECU calibrations are designed to safely unlock the true potential of the EA825 while maintaining OEM-grade reliability and drivability. Through meticulous remapping of boost control, ignition timing, and torque management, we deliver a powerful yet refined driving experience.
Stage 1 Tune
Description:
Stage 1 is a plug-and-play calibration designed for completely stock vehicles running 93 octane. This tune delivers a dramatic increase in power and torque while maintaining smooth power delivery and OEM drivability. Perfect for owners seeking a major performance improvement without changing any hardware.
( NOTE: Power figures shown may differ depending on vehicle and modifications )
Requires
Fuel: 93 Octane ( WE WILL NOT SUPPORT 91 OCTANE )
Hardware Required: None (Stock Hardware OK)
Recommended Hardware: Intake System & Heat Exchanger / Intercooler Upgrade
Downpipe Support: Compatible upon request
Flash Method: Dealer
Notes
Disclaimer
Proper vehicle maintenance is essential before tuning. Ensure the engine, turbos, and ignition system are in good condition. Neglecting maintenance or tuning a vehicle with existing mechanical issues can result in reduced reliability or unsafe operation.
⚠️ Note: Stage 1provides substantial increases in performance. This can place additional stress on driveline components during aggressive driving. Supporting modifications and proper maintenance are recommended for long-term reliability.