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    SKU: 4L_TFSI_S6_S7_ECU_Tune

    4.0 TFSI S6/S7 ECU Tune

    Excluding GST |
    ECU Tuning Process: How do I get my ECU tuned? The 4. 0L TFSI engine is a potent and capable powerplant in addition to being paired to the famous AWD systems Audi/Porsche are known for.  Through rigorous testing on both the street and dyno, the Weistec 4. 0 TFSI ECU Upgrade for the 4. 0 Liter Twin Turbo V8 engines reliably extracts 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.   
    ECU Tuning Process: How do I get my ECU tuned? Key Features:Increased BoostOptimized FuelingOptimized Ignition TimingRemoved Speed LimiterOptional BurbleOptional E85 Tune (Stock Turbos Only)Optional Cypher Handheld*Power gains vary based on model, modifications, fuel, and running conditions.
    • +121 HP