Description
The 4.0L TFSI engine is an incredibly potent powerplant, especially when paired with the world-renowned AWD systems Audi and Porsche are famous for. The Weistec Engineering ECU Tune for the 4.0L Twin-Turbo V8 engines maximizes performance across the powerband by increasing both mid-range and top-end power. This makes it a top choice for those looking to get the most out of their Audi S8 while enjoying improved throttle response and handling.
Performance Gains
- Stock Power: 576 HP / 600 lb-ft
- Weistec Tuned Power: 689 HP / 738 lb-ft
Expect significant performance boosts in all driving conditions, with enhanced acceleration and handling at both lower and higher RPMs.
Key Features
- Increased Boost: Maximizes turbocharger performance for greater power output.
- Optimized Fueling & Ignition Timing: Tunes the engine for peak efficiency and power.
- Removed Speed Limiter: Unlocks the vehicle’s full potential top speed.
- Increased Cruise Control Speed Limit: Elevates cruising capabilities.
- Removed Neutral Rev Limit: Frees up more rev potential for a more engaging driving experience.
- Optional Burble: Adds an aggressive, sporty exhaust note.
Power gains may vary depending on modifications, fuel, and vehicle conditions.
Compatible Audi Models
The Weistec 4.0 TFSI ECU Tune is compatible with the following Audi models equipped with the 4.0L Twin-Turbo V8 (TFSI) engine:
- 2013-2018 Audi S8 (D4)
Tuning Process
To get your ECU tuned, follow these simple steps:
- Contact Weistec or Authorized Dealer: Reach out to Weistec Engineering or an authorized dealer to schedule your ECU tune.
- ECU Removal: The ECU will need to be removed from your vehicle and sent to Weistec.
- ECU Tuning: Weistec will use advanced software to optimize your ECU for maximum performance.
- Reinstall ECU: The tuned ECU is then returned, and you can experience the enhanced performance immediately.
Legal Disclaimer
This product is not street legal in all U.S. states. Please verify local regulations regarding emissions and tuning before purchasing.
ECU Tuning Process: How do I get my ECU tuned?
