TTH performance upgrade 900 hp
VAG EA825 4.0 TFSI V8 Biturbo
Extreme high-performance upgrade for the VAG 4.0 TFSI – massive power increase, brutal torque and maximum durability for uncompromising V8 biturbo projects.
Description
The TTH 900 hp performance upgrade was developed for the VAG EA825 4.0 TFSI V8 biturbo engine and is aimed at drivers who demand maximum performance without compromise. This setup represents a consistently performance-oriented upgrade, in which engine, boost pressure, and fuel management are precisely calibrated for high continuous loads and extreme power demands. The focus is on very high air and fuel supply , stable exhaust gas temperatures, and a controllable yet brutal power delivery.
Performance characteristics
- Power increase to approximately 900 hp
- Extremely high torque across the entire rev range
- Explosive acceleration at medium and high speeds
- Very high pressure and temperature stability
- Consistent high-performance design
Technology & Coordination
- Individual TTH high-performance software tuning
- Optimized boost pressure, injection and ignition maps
- Customized protection functions for high continuous load
- Designed for performance-enhancing turbocharger and fuel system components
- Test bench and road-based fine-tuning
Driving operation & performance
- Very high acceleration and torque figures
- Stable power output even under extreme thermal stress
- High stability with consistent overall setup
- Significantly improved overall driving dynamics
Advantages compared to series production
- Massive increase in power and torque
- Significantly expanded performance reserves
- Optimal basis for high-performance and track conversions
- Proven TTH development and coordination quality
compatibility
- Audi RS6 C8 – 4.0 TFSI (EA825)
- Audi RS7 C8 – 4.0 TFSI (EA825)
- Audi RSQ8 – 4.0 TFSI (EA825)
- Lamborghini Urus – 4.0 TFSI (EA825)
- Porsche Cayenne – 4.0 TFSI (EA825)
- Porsche Panamera – 4.0 TFSI (EA825)
The achievable performance depends on the vehicle's condition, the installed hardware, fuel quality, and individual tuning.
Notes
Racing equipment – not approved for use on public roads.
Not street legal. Intended exclusively for motorsport, racing, or export vehicles. Installation and commissioning must be carried out by a qualified specialist workshop .
© Kraftfahrzeug Technik Hannover (KTH)
