The EA839 engine is a potent and capable powerplant in addition to being paired with the famous AWD systems Audi/Porsche is known for.  Through rigorous testing on both the street and dyno, the Weistec EA839 ECU Upgrade for the 2.9 Liter Twin Turbo V6 engines reliably extract massive gains in the mid-range of the powerband as well as substantial gains in the top end making it a top performer in all driving situations.

Toggle between W.1 and W.2 above to see various levels of power gains achievable with our tuning. 

KEY FEATURES:

• Increased Boost
• Optimized Fueling
• Optimized Ignition Timing
• Removed Speed Limiter
• Increased Cruise Control Speed Limit
• Removed Neutral Rev Limit
• Optional Burble

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov