Unitronic Stage 3 ECU Tune 1B Jetta GLI

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UnitronicSKU: UNI-S3-1BGLI20 We Price Match!

Select Current Unitronic Tune: Not Unitronic Tuned
Select Flashing Tool: -
Select Engine: 2.0T TSI [GEN 1]


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Performance Stage 3 ECU Software Precisely Engineered for your 1B Jetta GLI.  This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.

Unitronic software is flashed directly through the (OBDII) diagnostic port of your vehicle (10-15 minutes).


  • Gains over stock: Up to 400 (GEN1), +193HP / +145TQ (GEN3)
  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Advanced Torque Management by Gear (For maximum acceleration)
  • Engine Temperature Protection (Rev Limit based on Engine Coolant Temperature)
  • Optimized Responsiveness and Drivability
  • Optimized Smoothness and Driving Comfort
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Improved Fuel Efficiency
  • Ignition Timing Precisely Calibrated for Higher Octane Fuel
  • Speed Governor Removed
  • Hardware Requirements:
    • Downpipe
    • Intercooler Kit
    • Cold Air Intake
    • High Output Fuel System (GEN 1)
    • Internal Wastegate on Turbocharger Calibrated to 12PSI preload pressure (GEN 1)
    • OEM MAF Housing in original location/orientation MUST be utilized (GEN 1)
    • Turbo Upgrade (GEN 3)

What's Included:

  • Unitronic Stage 3 ECU Tune
  • Unitronic UniCONNECT+ Cable (OPTIONAL)

Vehicle Fitment

Model   + Drivetrain  
1B Jetta · GLI 2.0T I4
1B Jetta · GLI 2.0T I4 [GEN 3]

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